1201 is a prime number.
1201 has a representation as a sum of two squares: 1201 = 242 + 252.
1201 is the hypotenuse of a primitive Pythagorean triple: 12012 = 492 + 12002.
1201 has a square that is formed by inserted three 4s into it: 12012 = 1442401.
The Apollo Guidance Computer showed a 1201 alarm (Executive overflow--no vacant areas) during Apollo 11's descent to the lunar surface.
