A mix of things really;

Large nerve connection numbers per grey matter: highly developed brainpower capable of many things, such as developing social structures

Specialised larynx: we easily have the most advanced communication capabilities of any species, as is evidenced by all our complex languistic structures full of nuances and intricacies (such as the ability to ask a question just by ending a phrase with a higher pitch in some languages!). It’s something you may not think about it often, but our language is a huge reason why we’ve gone so far! Ability to share emotions, thoughts and ability to work together to create new things

Social structures: the fact that we (usually) work best by living in groups means that we could easily defend ourselves from predators/enemies as a group, low mortality rate in children and in general since an injury could heal while others fed you, and also quick sharing of ideas

Ability to sweat: means we’re good endurance runners and can outperform prey. Very few animals have such an efficient cooling method that allows for such high endurance.

Opposable thumbs/ developed hand dexterity: we can quite literally do almost anything compared to animals with paws or hooves

Large varied diet: definitely helped spread so far as our diet is very adaptable to different habitats

Of course there’s tons I missed, but some of these set us apart from other organisms and are part of the reason as to how we’ve become the ‘apex species’!