122925979 has 8 divisors (see below), whose sum is σ = 134581680. Its totient is φ = 111350400.

The previous prime is 122925977. The next prime is 122926003. The reversal of 122925979 is 979529221.

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 122925979 - 2¹ = 122925977 is a prime.

It is a super-2 number, since 2×122925979² = 30221592626216882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122925973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16794 + ... + 22975.

It is an arithmetic number, because the mean of its divisors is an integer number (16822710).

Almost surely, 2^122925979 is an apocalyptic number.

122925979 is a deficient number, since it is larger than the sum of its proper divisors (11655701).

122925979 is a wasteful number, since it uses less digits than its factorization.

122925979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40061.

The product of its digits is 204120, while the sum is 46.

The square root of 122925979 is about 11087.1988797892. The cubic root of 122925979 is about 497.2192016591.

It can be divided in two parts, 122925 and 979, that added together give a square (123904 = 352²).

The spelling of 122925979 in words is "one hundred twenty-two million, nine hundred twenty-five thousand, nine hundred seventy-nine".