125164605 has 16 divisors (see below), whose sum is σ = 201795264. Its totient is φ = 66243840.

The previous prime is 125164601. The next prime is 125164621. The reversal of 125164605 is 506461521.

It is not a de Polignac number, because 125164605 - 2² = 125164601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125164601) 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, 29884 + ... + 33813.

It is an arithmetic number, because the mean of its divisors is an integer number (12612204).

Almost surely, 2^125164605 is an apocalyptic number.

125164605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125164605 is a deficient number, since it is larger than the sum of its proper divisors (76630659).

125164605 is a wasteful number, since it uses less digits than its factorization.

125164605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63836.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 125164605 is about 11187.6988250489. The cubic root of 125164605 is about 500.2193770667.

It can be divided in two parts, 1251 and 64605, that added together give a palindrome (65856).

The spelling of 125164605 in words is "one hundred twenty-five million, one hundred sixty-four thousand, six hundred five".