120100122 has 12 divisors (see below), whose sum is σ = 260216970. Its totient is φ = 40033368.

The previous prime is 120100103. The next prime is 120100139. The reversal of 120100122 is 221001021.

It can be written as a sum of positive squares in only one way, i.e., 120099681 + 441 = 10959^2 + 21^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3336097 + ... + 3336132.

Almost surely, 2^120100122 is an apocalyptic number.

120100122 is an abundant number, since it is smaller than the sum of its proper divisors (140116848).

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

120100122 is a wasteful number, since it uses less digits than its factorization.

120100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6672237 (or 6672234 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 120100122 is about 10959.0201204305. The cubic root of 120100122 is about 493.3795556683.

Adding to 120100122 its reverse (221001021), we get a palindrome (341101143).

The spelling of 120100122 in words is "one hundred twenty million, one hundred thousand, one hundred twenty-two".