120736636 has 24 divisors (see below), whose sum is σ = 219512160. Its totient is φ = 58060800.

The previous prime is 120736633. The next prime is 120736643. The reversal of 120736636 is 636637021.

120736636 = 1696² + 1697² + ... + 1736².

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120736633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6460 + ... + 16828.

It is an arithmetic number, because the mean of its divisors is an integer number (9146340).

Almost surely, 2^120736636 is an apocalyptic number.

It is an amenable number.

120736636 is a deficient number, since it is larger than the sum of its proper divisors (98775524).

120736636 is a wasteful number, since it uses less digits than its factorization.

120736636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10485 (or 10483 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 120736636 is about 10988.0223880369. The cubic root of 120736636 is about 494.2496347941.

The spelling of 120736636 in words is "one hundred twenty million, seven hundred thirty-six thousand, six hundred thirty-six".