122605478079 has 16 divisors (see below), whose sum is σ = 186889539840. Its totient is φ = 70036968960.

The previous prime is 122605478003. The next prime is 122605478087. The reversal of 122605478079 is 970874506221.

It is a happy number.

It is not a de Polignac number, because 122605478079 - 2⁸ = 122605477823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122605479079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 906274 + ... + 1032735.

It is an arithmetic number, because the mean of its divisors is an integer number (11680596240).

Almost surely, 2^122605478079 is an apocalyptic number.

122605478079 is a deficient number, since it is larger than the sum of its proper divisors (64284061761).

122605478079 is a wasteful number, since it uses less digits than its factorization.

122605478079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942030.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 122605478079 in words is "one hundred twenty-two billion, six hundred five million, four hundred seventy-eight thousand, seventy-nine".