122102120 has 48 divisors (see below), whose sum is σ = 319588740. Its totient is φ = 41862912.

The previous prime is 122102119. The next prime is 122102129. The reversal of 122102120 is 21201221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 118940836 + 3161284 = 10906^2 + 1778^2 .

It is not an unprimeable number, because it can be changed into a prime (122102129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29189 + ... + 33108.

Almost surely, 2^122102120 is an apocalyptic number.

122102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122102120 is an abundant number, since it is smaller than the sum of its proper divisors (197486620).

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

122102120 is a wasteful number, since it uses less digits than its factorization.

122102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62322 (or 62311 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 122102120 is about 11049.9828054165. The cubic root of 122102120 is about 496.1059108727.

Adding to 122102120 its reverse (21201221), we get a palindrome (143303341).

The spelling of 122102120 in words is "one hundred twenty-two million, one hundred two thousand, one hundred twenty".