122751559057 has 2 divisors, whose sum is σ = 122751559058. Its totient is φ = 122751559056.

The previous prime is 122751559039. The next prime is 122751559069. The reversal of 122751559057 is 750955157221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110492419216 + 12259139841 = 332404^2 + 110721^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122751559057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122751559057.

It is not a weakly prime, because it can be changed into another prime (122751559157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61375779528 + 61375779529.

It is an arithmetic number, because the mean of its divisors is an integer number (61375779529).

Almost surely, 2^122751559057 is an apocalyptic number.

It is an amenable number.

122751559057 is a deficient number, since it is larger than the sum of its proper divisors (1).

122751559057 is an equidigital number, since it uses as much as digits as its factorization.

122751559057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102500, while the sum is 49.

The spelling of 122751559057 in words is "one hundred twenty-two billion, seven hundred fifty-one million, five hundred fifty-nine thousand, fifty-seven".