125164765 has 8 divisors (see below), whose sum is σ = 163852128. Its totient is φ = 91028880.

The previous prime is 125164757. The next prime is 125164769. The reversal of 125164765 is 567461521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125164765 - 2³ = 125164757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125164769) 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 7 ways as a sum of consecutive naturals, for example, 1137807 + ... + 1137916.

It is an arithmetic number, because the mean of its divisors is an integer number (20481516).

Almost surely, 2^125164765 is an apocalyptic number.

It is an amenable number.

125164765 is a deficient number, since it is larger than the sum of its proper divisors (38687363).

125164765 is a wasteful number, since it uses less digits than its factorization.

125164765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275739.

The product of its digits is 50400, while the sum is 37.

The square root of 125164765 is about 11187.7059757575. The cubic root of 125164765 is about 500.2195902128.

The spelling of 125164765 in words is "one hundred twenty-five million, one hundred sixty-four thousand, seven hundred sixty-five".