124812120 has 32 divisors (see below), whose sum is σ = 374436720. Its totient is φ = 33283200.

The previous prime is 124812109. The next prime is 124812133. The reversal of 124812120 is 21218421.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519931 + ... + 520170.

Almost surely, 2^124812120 is an apocalyptic number.

124812120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124812120 is an abundant number, since it is smaller than the sum of its proper divisors (249624600).

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

124812120 is a wasteful number, since it uses less digits than its factorization.

124812120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040115 (or 1040111 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 124812120 is about 11171.9344788626. The cubic root of 124812120 is about 499.7493677212.

The spelling of 124812120 in words is "one hundred twenty-four million, eight hundred twelve thousand, one hundred twenty".