125482640 has 20 divisors (see below), whose sum is σ = 291747324. Its totient is φ = 50193024.

The previous prime is 125482619. The next prime is 125482657. The reversal of 125482640 is 46284521.

It can be written as a sum of positive squares in 2 ways, for example, as 13630864 + 111851776 = 3692^2 + 10576^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 125482597 and 125482606.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784187 + ... + 784346.

Almost surely, 2^125482640 is an apocalyptic number.

125482640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125482640 is an abundant number, since it is smaller than the sum of its proper divisors (166264684).

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

125482640 is a wasteful number, since it uses less digits than its factorization.

125482640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568546 (or 1568540 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 125482640 is about 11201.9034096889. The cubic root of 125482640 is about 500.6426935361.

The spelling of 125482640 in words is "one hundred twenty-five million, four hundred eighty-two thousand, six hundred forty".