125893506 has 32 divisors (see below), whose sum is σ = 266132160. Its totient is φ = 39591936.

The previous prime is 125893459. The next prime is 125893529. The reversal of 125893506 is 605398521.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 27150 + ... + 31446.

It is an arithmetic number, because the mean of its divisors is an integer number (8316630).

Almost surely, 2^125893506 is an apocalyptic number.

125893506 is an abundant number, since it is smaller than the sum of its proper divisors (140238654).

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

125893506 is a wasteful number, since it uses less digits than its factorization.

125893506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 125893506 is about 11220.2275377998. The cubic root of 125893506 is about 501.1885139640.

The spelling of 125893506 in words is "one hundred twenty-five million, eight hundred ninety-three thousand, five hundred six".