125375018 has 16 divisors (see below), whose sum is σ = 195799560. Its totient is φ = 60155136.

The previous prime is 125374987. The next prime is 125375021. The reversal of 125375018 is 810573521.

It can be written as a sum of positive squares in 4 ways, for example, as 125372809 + 2209 = 11197^2 + 47^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6203 + ... + 17006.

Almost surely, 2^125375018 is an apocalyptic number.

125375018 is a deficient number, since it is larger than the sum of its proper divisors (70424542).

125375018 is a wasteful number, since it uses less digits than its factorization.

125375018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23321.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 125375018 is about 11197.0986420590. The cubic root of 125375018 is about 500.4995247838.

The spelling of 125375018 in words is "one hundred twenty-five million, three hundred seventy-five thousand, eighteen".