122806951279 has 4 divisors (see below), whose sum is σ = 125419865184. Its totient is φ = 120194037376.

The previous prime is 122806951243. The next prime is 122806951283. The reversal of 122806951279 is 972159608221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122806951279 - 2⁹ = 122806950767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122806951229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1306456882 + ... + 1306456975.

It is an arithmetic number, because the mean of its divisors is an integer number (31354966296).

Almost surely, 2^122806951279 is an apocalyptic number.

122806951279 is a deficient number, since it is larger than the sum of its proper divisors (2612913905).

122806951279 is an equidigital number, since it uses as much as digits as its factorization.

122806951279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612913904.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 122806951279 in words is "one hundred twenty-two billion, eight hundred six million, nine hundred fifty-one thousand, two hundred seventy-nine".