122716057 has 2 divisors, whose sum is σ = 122716058. Its totient is φ = 122716056.

The previous prime is 122716051. The next prime is 122716091. The reversal of 122716057 is 750617221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93296281 + 29419776 = 9659^2 + 5424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122716057 is a prime.

It is not a weakly prime, because it can be changed into another prime (122716051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61358028 + 61358029.

It is an arithmetic number, because the mean of its divisors is an integer number (61358029).

Almost surely, 2^122716057 is an apocalyptic number.

It is an amenable number.

122716057 is a deficient number, since it is larger than the sum of its proper divisors (1).

122716057 is an equidigital number, since it uses as much as digits as its factorization.

122716057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 122716057 is about 11077.7279710237. The cubic root of 122716057 is about 496.9360048879.

The spelling of 122716057 in words is "one hundred twenty-two million, seven hundred sixteen thousand, fifty-seven".