125494636 has 12 divisors (see below), whose sum is σ = 221559912. Its totient is φ = 62191808.

The previous prime is 125494529. The next prime is 125494637. The reversal of 125494636 is 636494521.

It is not an unprimeable number, because it can be changed into a prime (125494637) 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 3 ways as a sum of consecutive naturals, for example, 138370 + ... + 139273.

It is an arithmetic number, because the mean of its divisors is an integer number (18463326).

Almost surely, 2^125494636 is an apocalyptic number.

It is an amenable number.

125494636 is a deficient number, since it is larger than the sum of its proper divisors (96065276).

125494636 is a wasteful number, since it uses less digits than its factorization.

125494636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277760 (or 277758 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 125494636 is about 11202.4388416094. The cubic root of 125494636 is about 500.6586466549.

The spelling of 125494636 in words is "one hundred twenty-five million, four hundred ninety-four thousand, six hundred thirty-six".