125609036 has 12 divisors (see below), whose sum is σ = 251218128. Its totient is φ = 53832432.

The previous prime is 125609027. The next prime is 125609059. The reversal of 125609036 is 630906521.

It is a happy number.

125609036 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 125608993 and 125609011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2242991 + ... + 2243046.

It is an arithmetic number, because the mean of its divisors is an integer number (20934844).

Almost surely, 2^125609036 is an apocalyptic number.

It is an amenable number.

125609036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

125609036 is a wasteful number, since it uses less digits than its factorization.

125609036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4486048 (or 4486046 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 125609036 is about 11207.5437094843. The cubic root of 125609036 is about 500.8107327144.

The spelling of 125609036 in words is "one hundred twenty-five million, six hundred nine thousand, thirty-six".