125309340 has 72 divisors (see below), whose sum is σ = 409351488. Its totient is φ = 30844800.

The previous prime is 125309339. The next prime is 125309381. The reversal of 125309340 is 43903521.

125309340 is a `hidden beast` number, since 1 + 2 + 530 + 93 + 40 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 24436 + ... + 29115.

Almost surely, 2^125309340 is an apocalyptic number.

125309340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125309340 is an abundant number, since it is smaller than the sum of its proper divisors (284042148).

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

125309340 is a wasteful number, since it uses less digits than its factorization.

125309340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53579 (or 53574 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 125309340 is about 11194.1654445519. The cubic root of 125309340 is about 500.4121135648.

The spelling of 125309340 in words is "one hundred twenty-five million, three hundred nine thousand, three hundred forty".