125307636 has 12 divisors (see below), whose sum is σ = 292384512. Its totient is φ = 41769208.

The previous prime is 125307631. The next prime is 125307649. The reversal of 125307636 is 636703521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 125307597 and 125307606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125307631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5221140 + ... + 5221163.

It is an arithmetic number, because the mean of its divisors is an integer number (24365376).

Almost surely, 2^125307636 is an apocalyptic number.

It is an amenable number.

125307636 is an abundant number, since it is smaller than the sum of its proper divisors (167076876).

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

125307636 is a wasteful number, since it uses less digits than its factorization.

125307636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10442310 (or 10442308 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 125307636 is about 11194.0893332151. The cubic root of 125307636 is about 500.4098452952.

The spelling of 125307636 in words is "one hundred twenty-five million, three hundred seven thousand, six hundred thirty-six".