122392665312779 has 8 divisors (see below), whose sum is σ = 122880706482240. Its totient is φ = 121904627485000.

The previous prime is 122392665312751. The next prime is 122392665312851. The reversal of 122392665312779 is 977213566293221.

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 122392665312779 - 2⁸ = 122392665312523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122392665312679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93962852 + ... + 95256510.

It is an arithmetic number, because the mean of its divisors is an integer number (15360088310280).

Almost surely, 2^{122392665312779} is an apocalyptic number.

122392665312779 is a deficient number, since it is larger than the sum of its proper divisors (488041169461).

122392665312779 is a wasteful number, since it uses less digits than its factorization.

122392665312779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670841.

The product of its digits is 102876480, while the sum is 65.

The spelling of 122392665312779 in words is "one hundred twenty-two trillion, three hundred ninety-two billion, six hundred sixty-five million, three hundred twelve thousand, seven hundred seventy-nine".