125173398 has 16 divisors (see below), whose sum is σ = 286110720. Its totient is φ = 35763816.

The previous prime is 125173393. The next prime is 125173421. The reversal of 125173398 is 893371521.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125173393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490118 + ... + 1490201.

It is an arithmetic number, because the mean of its divisors is an integer number (17881920).

Almost surely, 2^125173398 is an apocalyptic number.

125173398 is an abundant number, since it is smaller than the sum of its proper divisors (160937322).

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

125173398 is a wasteful number, since it uses less digits than its factorization.

125173398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980331.

The product of its digits is 45360, while the sum is 39.

The square root of 125173398 is about 11188.0917944035. The cubic root of 125173398 is about 500.2310905112.

The spelling of 125173398 in words is "one hundred twenty-five million, one hundred seventy-three thousand, three hundred ninety-eight".