122200120 has 48 divisors (see below), whose sum is σ = 319845240. Its totient is φ = 41896512.

The previous prime is 122200087. The next prime is 122200157. The reversal of 122200120 is 21002221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 122200097 and 122200106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29214 + ... + 33133.

Almost surely, 2^122200120 is an apocalyptic number.

122200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122200120 is an abundant number, since it is smaller than the sum of its proper divisors (197645120).

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

122200120 is a wasteful number, since it uses less digits than its factorization.

122200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62372 (or 62361 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 122200120 is about 11054.4163120447. The cubic root of 122200120 is about 496.2386013832.

Adding to 122200120 its reverse (21002221), we get a palindrome (143202341).

The spelling of 122200120 in words is "one hundred twenty-two million, two hundred thousand, one hundred twenty".