121250252 has 6 divisors (see below), whose sum is σ = 212187948. Its totient is φ = 60625124.

The previous prime is 121250237. The next prime is 121250263. The reversal of 121250252 is 252052121.

It is a happy number.

It is a super-2 number, since 2×121250252² = 29403247220127008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15156278 + ... + 15156285.

It is an arithmetic number, because the mean of its divisors is an integer number (35364658).

Almost surely, 2^121250252 is an apocalyptic number.

It is an amenable number.

121250252 is a deficient number, since it is larger than the sum of its proper divisors (90937696).

121250252 is a wasteful number, since it uses less digits than its factorization.

121250252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30312567 (or 30312565 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 121250252 is about 11011.3692154972. The cubic root of 121250252 is about 494.9494925169.

The spelling of 121250252 in words is "one hundred twenty-one million, two hundred fifty thousand, two hundred fifty-two".