125813667 has 16 divisors (see below), whose sum is σ = 192211712. Its totient is φ = 71707680.

The previous prime is 125813621. The next prime is 125813671. The reversal of 125813667 is 766318521.

It is not a de Polignac number, because 125813667 - 2²² = 121619363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125813767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792 + ... + 15882.

It is an arithmetic number, because the mean of its divisors is an integer number (12013232).

Almost surely, 2^125813667 is an apocalyptic number.

125813667 is a deficient number, since it is larger than the sum of its proper divisors (66398045).

125813667 is a wasteful number, since it uses less digits than its factorization.

125813667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15498.

The product of its digits is 60480, while the sum is 39.

The square root of 125813667 is about 11216.6691579987. The cubic root of 125813667 is about 501.0825438395.

The spelling of 125813667 in words is "one hundred twenty-five million, eight hundred thirteen thousand, six hundred sixty-seven".