122780608 has 28 divisors (see below), whose sum is σ = 244327680. Its totient is φ = 61217792.

The previous prime is 122780597. The next prime is 122780621. The reversal of 122780608 is 806087221.

It is a congruent number.

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, 22008 + ... + 27016.

Almost surely, 2^122780608 is an apocalyptic number.

It is an amenable number.

122780608 is a deficient number, since it is larger than the sum of its proper divisors (121547072).

122780608 is an equidigital number, since it uses as much as digits as its factorization.

122780608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5404 (or 5394 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 122780608 is about 11080.6411366852. The cubic root of 122780608 is about 497.0231222382.

The spelling of 122780608 in words is "one hundred twenty-two million, seven hundred eighty thousand, six hundred eight".