122808560 has 40 divisors (see below), whose sum is σ = 326321376. Its totient is φ = 42105600.

The previous prime is 122808551. The next prime is 122808593. The reversal of 122808560 is 65808221.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109091 + ... + 110210.

Almost surely, 2^122808560 is an apocalyptic number.

122808560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122808560 is an abundant number, since it is smaller than the sum of its proper divisors (203512816).

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

122808560 is a wasteful number, since it uses less digits than its factorization.

122808560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219321 (or 219315 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 122808560 is about 11081.9023637641. The cubic root of 122808560 is about 497.0608364897.

The spelling of 122808560 in words is "one hundred twenty-two million, eight hundred eight thousand, five hundred sixty".