125696406 has 32 divisors (see below), whose sum is σ = 280941696. Its totient is φ = 37160000.

The previous prime is 125696401. The next prime is 125696407. The reversal of 125696406 is 604696521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125696401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20520 + ... + 25931.

It is an arithmetic number, because the mean of its divisors is an integer number (8779428).

Almost surely, 2^125696406 is an apocalyptic number.

125696406 is an abundant number, since it is smaller than the sum of its proper divisors (155245290).

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

125696406 is a wasteful number, since it uses less digits than its factorization.

125696406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46508.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 125696406 is about 11211.4408529858. The cubic root of 125696406 is about 500.9268222728.

The spelling of 125696406 in words is "one hundred twenty-five million, six hundred ninety-six thousand, four hundred six".