122366728155 has 32 divisors (see below), whose sum is σ = 223881859584. Its totient is φ = 55907686656.

The previous prime is 122366728111. The next prime is 122366728247. The reversal of 122366728155 is 551827663221.

It is not a de Polignac number, because 122366728155 - 2¹³ = 122366719963 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138442 + ... + 513711.

It is an arithmetic number, because the mean of its divisors is an integer number (6996308112).

Almost surely, 2^122366728155 is an apocalyptic number.

122366728155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122366728155 is a deficient number, since it is larger than the sum of its proper divisors (101515131429).

122366728155 is a wasteful number, since it uses less digits than its factorization.

122366728155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653955.

The product of its digits is 1209600, while the sum is 48.

The spelling of 122366728155 in words is "one hundred twenty-two billion, three hundred sixty-six million, seven hundred twenty-eight thousand, one hundred fifty-five".