Yes, mathematics is a study. The study of mathematics is created by humans. The subject matter, which also carries the name mathematics, was not invented by humans, it was discovered.
In what sense did humans invent 1 + 1 = 2? If an alien invented 1 + 1 = 2, would you consider that a distinct concept?
This is a delightfully pithy way of putting it.
- - - Updated - - -
The idea of color as we experience it is a human creation. The wavelength range that the color red occupies is not human created.