122879923 has 8 divisors (see below), whose sum is σ = 127724688. Its totient is φ = 118115424.

The previous prime is 122879921. The next prime is 122879941. The reversal of 122879923 is 329978221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122879923 - 2¹ = 122879921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122879923.

It is not an unprimeable number, because it can be changed into a prime (122879921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16936 + ... + 23077.

It is an arithmetic number, because the mean of its divisors is an integer number (15965586).

Almost surely, 2^122879923 is an apocalyptic number.

122879923 is a deficient number, since it is larger than the sum of its proper divisors (4844765).

122879923 is an equidigital number, since it uses as much as digits as its factorization.

122879923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40133.

The product of its digits is 108864, while the sum is 43.

The square root of 122879923 is about 11085.1216953176. The cubic root of 122879923 is about 497.1570971085.

The spelling of 122879923 in words is "one hundred twenty-two million, eight hundred seventy-nine thousand, nine hundred twenty-three".