125318172 has 48 divisors (see below), whose sum is σ = 337272320. Its totient is φ = 35474112.

The previous prime is 125318161. The next prime is 125318173. The reversal of 125318172 is 271813521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125318173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2313 + ... + 15999.

Almost surely, 2^125318172 is an apocalyptic number.

125318172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125318172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168636160).

125318172 is an abundant number, since it is smaller than the sum of its proper divisors (211954148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125318172 is a wasteful number, since it uses less digits than its factorization.

125318172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13810 (or 13808 counting only the distinct ones).

The product of its digits is 3360, while the sum is 30.

The square root of 125318172 is about 11194.5599288226. The cubic root of 125318172 is about 500.4238699004.

The spelling of 125318172 in words is "one hundred twenty-five million, three hundred eighteen thousand, one hundred seventy-two".