122631775145 has 48 divisors (see below), whose sum is σ = 170902872000. Its totient is φ = 84176484480.

The previous prime is 122631775139. The next prime is 122631775157. The reversal of 122631775145 is 541577136221.

It is not a de Polignac number, because 122631775145 - 2¹⁸ = 122631513001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122631775096 and 122631775105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3072326 + ... + 3111984.

It is an arithmetic number, because the mean of its divisors is an integer number (3560476500).

Almost surely, 2^122631775145 is an apocalyptic number.

It is an amenable number.

122631775145 is a deficient number, since it is larger than the sum of its proper divisors (48271096855).

122631775145 is a wasteful number, since it uses less digits than its factorization.

122631775145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39974 (or 39963 counting only the distinct ones).

The product of its digits is 352800, while the sum is 44.

The spelling of 122631775145 in words is "one hundred twenty-two billion, six hundred thirty-one million, seven hundred seventy-five thousand, one hundred forty-five".