122564825293 has 2 divisors, whose sum is σ = 122564825294. Its totient is φ = 122564825292.

The previous prime is 122564825261. The next prime is 122564825347. The reversal of 122564825293 is 392528465221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63575588164 + 58989237129 = 252142^2 + 242877^2 .

It is a cyclic number.

It is not a de Polignac number, because 122564825293 - 2⁵ = 122564825261 is a prime.

It is a super-2 number, since 2×122564825293² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122564825393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61282412646 + 61282412647.

It is an arithmetic number, because the mean of its divisors is an integer number (61282412647).

Almost surely, 2^122564825293 is an apocalyptic number.

It is an amenable number.

122564825293 is a deficient number, since it is larger than the sum of its proper divisors (1).

122564825293 is an equidigital number, since it uses as much as digits as its factorization.

122564825293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 49.

The spelling of 122564825293 in words is "one hundred twenty-two billion, five hundred sixty-four million, eight hundred twenty-five thousand, two hundred ninety-three".