122889807 has 12 divisors (see below), whose sum is σ = 180418264. Its totient is φ = 80583120.

The previous prime is 122889799. The next prime is 122889817. The reversal of 122889807 is 708988221.

It is a happy number.

It is not a de Polignac number, because 122889807 - 2³ = 122889799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122889817) 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, 111373 + ... + 112470.

Almost surely, 2^122889807 is an apocalyptic number.

122889807 is a deficient number, since it is larger than the sum of its proper divisors (57528457).

122889807 is a wasteful number, since it uses less digits than its factorization.

122889807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223910 (or 223907 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 122889807 is about 11085.5675091535. The cubic root of 122889807 is about 497.1704265683.

The spelling of 122889807 in words is "one hundred twenty-two million, eight hundred eighty-nine thousand, eight hundred seven".