122751689361 has 32 divisors (see below), whose sum is σ = 189585040128. Its totient is φ = 69198278400.

The previous prime is 122751689327. The next prime is 122751689377. The reversal of 122751689361 is 163986157221.

It is not a de Polignac number, because 122751689361 - 2⁹ = 122751688849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122751689311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 483051 + ... + 691983.

It is an arithmetic number, because the mean of its divisors is an integer number (5924532504).

Almost surely, 2^122751689361 is an apocalyptic number.

It is an amenable number.

122751689361 is a deficient number, since it is larger than the sum of its proper divisors (66833350767).

122751689361 is a wasteful number, since it uses less digits than its factorization.

122751689361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209321.

The product of its digits is 1088640, while the sum is 51.

The spelling of 122751689361 in words is "one hundred twenty-two billion, seven hundred fifty-one million, six hundred eighty-nine thousand, three hundred sixty-one".