121625772 has 24 divisors (see below), whose sum is σ = 292948992. Its totient is φ = 39234000.

The previous prime is 121625737. The next prime is 121625773. The reversal of 121625772 is 277526121.

It is not an unprimeable number, because it can be changed into a prime (121625773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163104 + ... + 163847.

It is an arithmetic number, because the mean of its divisors is an integer number (12206208).

Almost surely, 2^121625772 is an apocalyptic number.

121625772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121625772 is an abundant number, since it is smaller than the sum of its proper divisors (171323220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121625772 is a wasteful number, since it uses less digits than its factorization.

121625772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326989 (or 326987 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 121625772 is about 11028.4075006322. The cubic root of 121625772 is about 495.4599296301.

The spelling of 121625772 in words is "one hundred twenty-one million, six hundred twenty-five thousand, seven hundred seventy-two".