122980220 has 24 divisors (see below), whose sum is σ = 281737008. Its totient is φ = 44720000.

The previous prime is 122980219. The next prime is 122980223. The reversal of 122980220 is 22089221.

It is a super-2 number, since 2×122980220² = 30248269022496800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122980220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122980223) 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, 279281 + ... + 279720.

It is an arithmetic number, because the mean of its divisors is an integer number (11739042).

Almost surely, 2^122980220 is an apocalyptic number.

122980220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122980220 is an abundant number, since it is smaller than the sum of its proper divisors (158756788).

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

122980220 is a wasteful number, since it uses less digits than its factorization.

122980220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559021 (or 559019 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 122980220 is about 11089.6447192865. The cubic root of 122980220 is about 497.2923234438.

The spelling of 122980220 in words is "one hundred twenty-two million, nine hundred eighty thousand, two hundred twenty".