122847972 has 48 divisors (see below), whose sum is σ = 316240512. Its totient is φ = 36875520.

The previous prime is 122847941. The next prime is 122847979. The reversal of 122847972 is 279748221.

It is not an unprimeable number, because it can be changed into a prime (122847979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3208 + ... + 15999.

It is an arithmetic number, because the mean of its divisors is an integer number (6588344).

Almost surely, 2^122847972 is an apocalyptic number.

122847972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122847972 is an abundant number, since it is smaller than the sum of its proper divisors (193392540).

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

122847972 is a wasteful number, since it uses less digits than its factorization.

122847972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19268 (or 19266 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 122847972 is about 11083.6804356676. The cubic root of 122847972 is about 497.1140034308.

The spelling of 122847972 in words is "one hundred twenty-two million, eight hundred forty-seven thousand, nine hundred seventy-two".