122563957 has 2 divisors, whose sum is σ = 122563958. Its totient is φ = 122563956.

The previous prime is 122563949. The next prime is 122563967. The reversal of 122563957 is 759365221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91661476 + 30902481 = 9574^2 + 5559^2 .

It is an emirp because it is prime and its reverse (759365221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122563957 - 2³ = 122563949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122563967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61281978 + 61281979.

It is an arithmetic number, because the mean of its divisors is an integer number (61281979).

Almost surely, 2^122563957 is an apocalyptic number.

It is an amenable number.

122563957 is a deficient number, since it is larger than the sum of its proper divisors (1).

122563957 is an equidigital number, since it uses as much as digits as its factorization.

122563957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 40.

The square root of 122563957 is about 11070.8607163129. The cubic root of 122563957 is about 496.7306114587.

The spelling of 122563957 in words is "one hundred twenty-two million, five hundred sixty-three thousand, nine hundred fifty-seven".