122169872 has 40 divisors (see below), whose sum is σ = 259989312. Its totient is φ = 55152000.

The previous prime is 122169857. The next prime is 122169899. The reversal of 122169872 is 278961221.

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, 24278 + ... + 28874.

Almost surely, 2^122169872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122169872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129994656).

122169872 is an abundant number, since it is smaller than the sum of its proper divisors (137819440).

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

122169872 is a wasteful number, since it uses less digits than its factorization.

122169872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4767 (or 4761 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 122169872 is about 11053.0480863878. The cubic root of 122169872 is about 496.1976536223.

The spelling of 122169872 in words is "one hundred twenty-two million, one hundred sixty-nine thousand, eight hundred seventy-two".