122525320457 has 2 divisors, whose sum is σ = 122525320458. Its totient is φ = 122525320456.

The previous prime is 122525320429. The next prime is 122525320487. The reversal of 122525320457 is 754023525221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77508787216 + 45016533241 = 278404^2 + 212171^2 .

It is a cyclic number.

It is not a de Polignac number, because 122525320457 - 2²² = 122521126153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122525320457.

It is not a weakly prime, because it can be changed into another prime (122525320487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61262660228 + 61262660229.

It is an arithmetic number, because the mean of its divisors is an integer number (61262660229).

Almost surely, 2^122525320457 is an apocalyptic number.

It is an amenable number.

122525320457 is a deficient number, since it is larger than the sum of its proper divisors (1).

122525320457 is an equidigital number, since it uses as much as digits as its factorization.

122525320457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168000, while the sum is 38.

Adding to 122525320457 its reverse (754023525221), we get a palindrome (876548845678).

The spelling of 122525320457 in words is "one hundred twenty-two billion, five hundred twenty-five million, three hundred twenty thousand, four hundred fifty-seven".