122169628 has 12 divisors (see below), whose sum is σ = 244339312. Its totient is φ = 52358400.

The previous prime is 122169623. The next prime is 122169637. The reversal of 122169628 is 826961221.

122169628 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122169623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2181573 + ... + 2181628.

Almost surely, 2^122169628 is an apocalyptic number.

It is an amenable number.

122169628 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

122169628 is a wasteful number, since it uses less digits than its factorization.

122169628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363212 (or 4363210 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 122169628 is about 11053.0370487029. The cubic root of 122169628 is about 496.1973232836.

The spelling of 122169628 in words is "one hundred twenty-two million, one hundred sixty-nine thousand, six hundred twenty-eight".