122908580 has 12 divisors (see below), whose sum is σ = 258108060. Its totient is φ = 49163424.

The previous prime is 122908559. The next prime is 122908609. The reversal of 122908580 is 85809221.

It can be written as a sum of positive squares in 2 ways, for example, as 64416676 + 58491904 = 8026^2 + 7648^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122908580.

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, 3072695 + ... + 3072734.

It is an arithmetic number, because the mean of its divisors is an integer number (21509005).

Almost surely, 2^122908580 is an apocalyptic number.

122908580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122908580 is an abundant number, since it is smaller than the sum of its proper divisors (135199480).

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

122908580 is a wasteful number, since it uses less digits than its factorization.

122908580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6145438 (or 6145436 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 122908580 is about 11086.4142083904. The cubic root of 122908580 is about 497.1957416736.

The spelling of 122908580 in words is "one hundred twenty-two million, nine hundred eight thousand, five hundred eighty".