125928686 has 32 divisors (see below), whose sum is σ = 211693440. Its totient is φ = 55800576.

The previous prime is 125928683. The next prime is 125928721. The reversal of 125928686 is 686829521.

It is a self number, because there is not a number n which added to its sum of digits gives 125928686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125928683) by changing a digit.

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, 75170 + ... + 76826.

It is an arithmetic number, because the mean of its divisors is an integer number (6615420).

Almost surely, 2^125928686 is an apocalyptic number.

125928686 is a deficient number, since it is larger than the sum of its proper divisors (85764754).

125928686 is a wasteful number, since it uses less digits than its factorization.

125928686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788.

The product of its digits is 414720, while the sum is 47.

The square root of 125928686 is about 11221.7951326871. The cubic root of 125928686 is about 501.2351940785.

The spelling of 125928686 in words is "one hundred twenty-five million, nine hundred twenty-eight thousand, six hundred eighty-six".