125161223 has 8 divisors (see below), whose sum is σ = 136786320. Its totient is φ = 113577280.

The previous prime is 125161213. The next prime is 125161237. The reversal of 125161223 is 322161521.

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

It is a cyclic number.

It is not a de Polignac number, because 125161223 - 2⁴ = 125161207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125161213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3740 + ... + 16257.

It is an arithmetic number, because the mean of its divisors is an integer number (17098290).

Almost surely, 2^125161223 is an apocalyptic number.

125161223 is a deficient number, since it is larger than the sum of its proper divisors (11625097).

125161223 is a wasteful number, since it uses less digits than its factorization.

125161223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20577.

The product of its digits is 720, while the sum is 23.

The square root of 125161223 is about 11187.5476758761. The cubic root of 125161223 is about 500.2148716471.

The spelling of 125161223 in words is "one hundred twenty-five million, one hundred sixty-one thousand, two hundred twenty-three".