122155074377157 has 64 divisors (see below), whose sum is σ = 182471325696000. Its totient is φ = 72236155622400.

The previous prime is 122155074377129. The next prime is 122155074377159. The reversal of 122155074377157 is 751773470551221.

It is not a de Polignac number, because 122155074377157 - 2¹⁰ = 122155074376133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 122155074377097 and 122155074377106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122155074377159) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2204977344 + ... + 2205032742.

It is an arithmetic number, because the mean of its divisors is an integer number (2851114464000).

Almost surely, 2^{122155074377157} is an apocalyptic number.

122155074377157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

122155074377157 is a deficient number, since it is larger than the sum of its proper divisors (60316251318843).

122155074377157 is a wasteful number, since it uses less digits than its factorization.

122155074377157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67186.

The product of its (nonzero) digits is 14406000, while the sum is 57.

The spelling of 122155074377157 in words is "one hundred twenty-two trillion, one hundred fifty-five billion, seventy-four million, three hundred seventy-seven thousand, one hundred fifty-seven".