122681044457 has 16 divisors (see below), whose sum is σ = 127262851584. Its totient is φ = 118139040000.

The previous prime is 122681044441. The next prime is 122681044471. The reversal of 122681044457 is 754440186221.

It is a cyclic number.

It is not a de Polignac number, because 122681044457 - 2⁴ = 122681044441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122681044417) 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, 10834763 + ... + 10846079.

It is an arithmetic number, because the mean of its divisors is an integer number (7953928224).

Almost surely, 2^122681044457 is an apocalyptic number.

It is an amenable number.

122681044457 is a deficient number, since it is larger than the sum of its proper divisors (4581807127).

122681044457 is a wasteful number, since it uses less digits than its factorization.

122681044457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13040.

The product of its (nonzero) digits is 430080, while the sum is 44.

The spelling of 122681044457 in words is "one hundred twenty-two billion, six hundred eighty-one million, forty-four thousand, four hundred fifty-seven".