125431600 has 60 divisors (see below), whose sum is σ = 344407024. Its totient is φ = 43004160.

The previous prime is 125431567. The next prime is 125431609. The reversal of 125431600 is 6134521.

It is not an unprimeable number, because it can be changed into a prime (125431609) 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 11 ways as a sum of consecutive naturals, for example, 19599 + ... + 25198.

Almost surely, 2^125431600 is an apocalyptic number.

125431600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125431600 is an abundant number, since it is smaller than the sum of its proper divisors (218975424).

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

125431600 is a wasteful number, since it uses less digits than its factorization.

125431600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44822 (or 44811 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 125431600 is about 11199.6249937219. The cubic root of 125431600 is about 500.5748056105.

The spelling of 125431600 in words is "one hundred twenty-five million, four hundred thirty-one thousand, six hundred".