122205120 has 56 divisors (see below), whose sum is σ = 388004304. Its totient is φ = 32587776.

The previous prime is 122205103. The next prime is 122205173. The reversal of 122205120 is 21502221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122205120.

It is a congruent number.

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, 62689 + ... + 64608.

Almost surely, 2^122205120 is an apocalyptic number.

122205120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122205120 is an abundant number, since it is smaller than the sum of its proper divisors (265799184).

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

122205120 is a wasteful number, since it uses less digits than its factorization.

122205120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127317 (or 127307 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 122205120 is about 11054.6424636892. The cubic root of 122205120 is about 496.2453694048.

Adding to 122205120 its reverse (21502221), we get a palindrome (143707341).

The spelling of 122205120 in words is "one hundred twenty-two million, two hundred five thousand, one hundred twenty".