124995972 has 12 divisors (see below), whose sum is σ = 291657296. Its totient is φ = 41665320.

The previous prime is 124995907. The next prime is 124995977. The reversal of 124995972 is 279599421.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (124995977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5208154 + ... + 5208177.

Almost surely, 2^124995972 is an apocalyptic number.

124995972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

124995972 is an abundant number, since it is smaller than the sum of its proper divisors (166661324).

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

124995972 is a wasteful number, since it uses less digits than its factorization.

124995972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10416338 (or 10416336 counting only the distinct ones).

The product of its digits is 408240, while the sum is 48.

The square root of 124995972 is about 11180.1597484115. The cubic root of 124995972 is about 499.9946292756.

The spelling of 124995972 in words is "one hundred twenty-four million, nine hundred ninety-five thousand, nine hundred seventy-two".