122125220 has 24 divisors (see below), whose sum is σ = 293100864. Its totient is φ = 41871456.

The previous prime is 122125187. The next prime is 122125247. The reversal of 122125220 is 22521221.

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, 436022 + ... + 436301.

It is an arithmetic number, because the mean of its divisors is an integer number (12212536).

Almost surely, 2^122125220 is an apocalyptic number.

122125220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122125220 is an abundant number, since it is smaller than the sum of its proper divisors (170975644).

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

122125220 is a wasteful number, since it uses less digits than its factorization.

122125220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872339 (or 872337 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 122125220 is about 11051.0280064798. The cubic root of 122125220 is about 496.1371943151.

Adding to 122125220 its reverse (22521221), we get a palindrome (144646441).

The spelling of 122125220 in words is "one hundred twenty-two million, one hundred twenty-five thousand, two hundred twenty".