121925228 has 12 divisors (see below), whose sum is σ = 217395360. Its totient is φ = 59812272.

The previous prime is 121925213. The next prime is 121925239. The reversal of 121925228 is 822529121.

It is a happy number.

It is a super-2 number, since 2×121925228² = 29731522445703968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121925194 and 121925203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287348 + ... + 287771.

It is an arithmetic number, because the mean of its divisors is an integer number (18116280).

Almost surely, 2^121925228 is an apocalyptic number.

It is an amenable number.

121925228 is a deficient number, since it is larger than the sum of its proper divisors (95470132).

121925228 is a wasteful number, since it uses less digits than its factorization.

121925228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575176 (or 575174 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The square root of 121925228 is about 11041.9757290079. The cubic root of 121925228 is about 495.8662219426.

The spelling of 121925228 in words is "one hundred twenty-one million, nine hundred twenty-five thousand, two hundred twenty-eight".