125164623 has 4 divisors (see below), whose sum is σ = 166886168. Its totient is φ = 83443080.

The previous prime is 125164621. The next prime is 125164649. The reversal of 125164623 is 326461521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 125164623 - 2¹ = 125164621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125164621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20860768 + ... + 20860773.

It is an arithmetic number, because the mean of its divisors is an integer number (41721542).

Almost surely, 2^125164623 is an apocalyptic number.

125164623 is a deficient number, since it is larger than the sum of its proper divisors (41721545).

125164623 is an equidigital number, since it uses as much as digits as its factorization.

125164623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41721544.

The product of its digits is 8640, while the sum is 30.

The square root of 125164623 is about 11187.6996295038. The cubic root of 125164623 is about 500.2194010456.

The spelling of 125164623 in words is "one hundred twenty-five million, one hundred sixty-four thousand, six hundred twenty-three".