122879994 has 8 divisors (see below), whose sum is σ = 245760000. Its totient is φ = 40959996.

The previous prime is 122879971. The next prime is 122880013. The reversal of 122879994 is 499978221.

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

122879994 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10239994 + ... + 10240005.

It is an arithmetic number, because the mean of its divisors is an integer number (30720000).

Almost surely, 2^122879994 is an apocalyptic number.

122879994 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.

122879994 is a wasteful number, since it uses less digits than its factorization.

122879994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20480004.

The product of its digits is 653184, while the sum is 51.

The square root of 122879994 is about 11085.1248978079. The cubic root of 122879994 is about 497.1571928609.

The spelling of 122879994 in words is "one hundred twenty-two million, eight hundred seventy-nine thousand, nine hundred ninety-four".