125481920 has 28 divisors (see below), whose sum is σ = 298804584. Its totient is φ = 50192640.

The previous prime is 125481883. The next prime is 125481929. The reversal of 125481920 is 29184521.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125481929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195746 + ... + 196385.

Almost surely, 2^125481920 is an apocalyptic number.

125481920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125481920 is an abundant number, since it is smaller than the sum of its proper divisors (173322664).

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

125481920 is an equidigital number, since it uses as much as digits as its factorization.

125481920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392148 (or 392138 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 125481920 is about 11201.8712722473. The cubic root of 125481920 is about 500.6417359974.

The spelling of 125481920 in words is "one hundred twenty-five million, four hundred eighty-one thousand, nine hundred twenty".