125257672173 has 8 divisors (see below), whose sum is σ = 167016323200. Its totient is φ = 83502067968.

The previous prime is 125257672123. The next prime is 125257672193. The reversal of 125257672173 is 371276752521.

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

It is not a de Polignac number, because 125257672173 - 2⁶ = 125257672109 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 (125257672123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663988 + ... + 831501.

It is an arithmetic number, because the mean of its divisors is an integer number (20877040400).

Almost surely, 2^125257672173 is an apocalyptic number.

It is an amenable number.

125257672173 is a deficient number, since it is larger than the sum of its proper divisors (41758651027).

125257672173 is a wasteful number, since it uses less digits than its factorization.

125257672173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523411.

The product of its digits is 1234800, while the sum is 48.

The spelling of 125257672173 in words is "one hundred twenty-five billion, two hundred fifty-seven million, six hundred seventy-two thousand, one hundred seventy-three".