121562152 has 32 divisors (see below), whose sum is σ = 240609600. Its totient is φ = 57417984.

The previous prime is 121562149. The next prime is 121562183. The reversal of 121562152 is 251265121.

It is a super-2 number, since 2×121562152² = 29554713597742208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64893 + ... + 66739.

It is an arithmetic number, because the mean of its divisors is an integer number (7519050).

Almost surely, 2^121562152 is an apocalyptic number.

It is an amenable number.

121562152 is a deficient number, since it is larger than the sum of its proper divisors (119047448).

121562152 is a wasteful number, since it uses less digits than its factorization.

121562152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305 (or 2301 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 121562152 is about 11025.5227540466. The cubic root of 121562152 is about 495.3735261817.

The spelling of 121562152 in words is "one hundred twenty-one million, five hundred sixty-two thousand, one hundred fifty-two".