125731464 has 16 divisors (see below), whose sum is σ = 314328720. Its totient is φ = 41910480.

The previous prime is 125731433. The next prime is 125731511. The reversal of 125731464 is 464137521.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 2619382 + ... + 2619429.

It is an arithmetic number, because the mean of its divisors is an integer number (19645545).

Almost surely, 2^125731464 is an apocalyptic number.

It is an amenable number.

125731464 is an abundant number, since it is smaller than the sum of its proper divisors (188597256).

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

125731464 is a wasteful number, since it uses less digits than its factorization.

125731464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5238820 (or 5238816 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 125731464 is about 11213.0042361537. The cubic root of 125731464 is about 500.9733891308.

Adding to 125731464 its reverse (464137521), we get a palindrome (589868985).

The spelling of 125731464 in words is "one hundred twenty-five million, seven hundred thirty-one thousand, four hundred sixty-four".