121250255 has 12 divisors (see below), whose sum is σ = 169255800. Its totient is φ = 83142864.

The previous prime is 121250237. The next prime is 121250263. The reversal of 121250255 is 552052121.

It is not a de Polignac number, because 121250255 - 2²⁶ = 54141391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121250255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247205 + ... + 247694.

It is an arithmetic number, because the mean of its divisors is an integer number (14104650).

Almost surely, 2^121250255 is an apocalyptic number.

121250255 is a deficient number, since it is larger than the sum of its proper divisors (48005545).

121250255 is an equidigital number, since it uses as much as digits as its factorization.

121250255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494918 (or 494911 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 121250255 is about 11011.3693517201. The cubic root of 121250255 is about 494.9494965990.

The spelling of 121250255 in words is "one hundred twenty-one million, two hundred fifty thousand, two hundred fifty-five".