121264825 has 24 divisors (see below), whose sum is σ = 173694240. Its totient is φ = 83001600.

The previous prime is 121264817. The next prime is 121264837. The reversal of 121264825 is 528462121.

It is not a de Polignac number, because 121264825 - 2³ = 121264817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8295 + ... + 17644.

It is an arithmetic number, because the mean of its divisors is an integer number (7237260).

Almost surely, 2^121264825 is an apocalyptic number.

It is an amenable number.

121264825 is a deficient number, since it is larger than the sum of its proper divisors (52429415).

121264825 is a wasteful number, since it uses less digits than its factorization.

121264825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25977 (or 25972 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 121264825 is about 11012.0309207702. The cubic root of 121264825 is about 494.9693209568.

The spelling of 121264825 in words is "one hundred twenty-one million, two hundred sixty-four thousand, eight hundred twenty-five".