122056979 has 8 divisors (see below), whose sum is σ = 135986688. Its totient is φ = 108599560.

The previous prime is 122056973. The next prime is 122056993. The reversal of 122056979 is 979650221.

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 122056979 - 2⁸ = 122056723 is a prime.

It is a super-2 number, since 2×122056979² = 29795812245212882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122056973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117527 + ... + 118560.

It is an arithmetic number, because the mean of its divisors is an integer number (16998336).

Almost surely, 2^122056979 is an apocalyptic number.

122056979 is a deficient number, since it is larger than the sum of its proper divisors (13929709).

122056979 is a wasteful number, since it uses less digits than its factorization.

122056979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236145.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 122056979 is about 11047.9400342326. The cubic root of 122056979 is about 496.0447667602.

The spelling of 122056979 in words is "one hundred twenty-two million, fifty-six thousand, nine hundred seventy-nine".