122636650 has 48 divisors (see below), whose sum is σ = 239047200. Its totient is φ = 46746560.

The previous prime is 122636629. The next prime is 122636653. The reversal of 122636650 is 56636221.

It is not an unprimeable number, because it can be changed into a prime (122636653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119841 + ... + 120859.

It is an arithmetic number, because the mean of its divisors is an integer number (4980150).

Almost surely, 2^122636650 is an apocalyptic number.

122636650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122636650 is a deficient number, since it is larger than the sum of its proper divisors (116410550).

122636650 is a wasteful number, since it uses less digits than its factorization.

122636650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 122636650 is about 11074.1433077236. The cubic root of 122636650 is about 496.8287961203.

The spelling of 122636650 in words is "one hundred twenty-two million, six hundred thirty-six thousand, six hundred fifty".