125372440 has 32 divisors (see below), whose sum is σ = 284130000. Its totient is φ = 49785984.

The previous prime is 125372419. The next prime is 125372441. The reversal of 125372440 is 44273521.

It is a junction number, because it is equal to n+sod(n) for n = 125372399 and 125372408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125372441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5715 + ... + 16834.

Almost surely, 2^125372440 is an apocalyptic number.

125372440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125372440 is an abundant number, since it is smaller than the sum of its proper divisors (158757560).

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

125372440 is a wasteful number, since it uses less digits than its factorization.

125372440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22699 (or 22695 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 125372440 is about 11196.9835223599. The cubic root of 125372440 is about 500.4960942848.

The spelling of 125372440 in words is "one hundred twenty-five million, three hundred seventy-two thousand, four hundred forty".