125253173 has 4 divisors (see below), whose sum is σ = 126003360. Its totient is φ = 124502988.

The previous prime is 125253169. The next prime is 125253179. The reversal of 125253173 is 371352521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 371352521 = 8269 ⋅44909.

It is a cyclic number.

It is not a de Polignac number, because 125253173 - 2² = 125253169 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 (125253179) 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 3 ways as a sum of consecutive naturals, for example, 374843 + ... + 375176.

It is an arithmetic number, because the mean of its divisors is an integer number (31500840).

Almost surely, 2^125253173 is an apocalyptic number.

It is an amenable number.

125253173 is a deficient number, since it is larger than the sum of its proper divisors (750187).

125253173 is an equidigital number, since it uses as much as digits as its factorization.

125253173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750186.

The product of its digits is 6300, while the sum is 29.

The square root of 125253173 is about 11191.6564010874. The cubic root of 125253173 is about 500.3373363572.

The spelling of 125253173 in words is "one hundred twenty-five million, two hundred fifty-three thousand, one hundred seventy-three".