122401025430457 has 2 divisors, whose sum is σ = 122401025430458. Its totient is φ = 122401025430456.

The previous prime is 122401025430413. The next prime is 122401025430527. The reversal of 122401025430457 is 754034520104221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84028315556416 + 38372709874041 = 9166696^2 + 6194571^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122401025430457 is a prime.

It is a super-2 number, since 2×122401025430457² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122401025431457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61200512715228 + 61200512715229.

It is an arithmetic number, because the mean of its divisors is an integer number (61200512715229).

Almost surely, 2^{122401025430457} is an apocalyptic number.

It is an amenable number.

122401025430457 is a deficient number, since it is larger than the sum of its proper divisors (1).

122401025430457 is an equidigital number, since it uses as much as digits as its factorization.

122401025430457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 40.

Adding to 122401025430457 its reverse (754034520104221), we get a palindrome (876435545534678).

The spelling of 122401025430457 in words is "one hundred twenty-two trillion, four hundred one billion, twenty-five million, four hundred thirty thousand, four hundred fifty-seven".