122405333454449 has 2 divisors, whose sum is σ = 122405333454450. Its totient is φ = 122405333454448.

The previous prime is 122405333454323. The next prime is 122405333454473. The reversal of 122405333454449 is 944454333504221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84410523750400 + 37994809704049 = 9187520^2 + 6163993^2 .

It is a cyclic number.

It is not a de Polignac number, because 122405333454449 - 2⁸ = 122405333454193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122405333454449.

It is not a weakly prime, because it can be changed into another prime (122405333414449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61202666727224 + 61202666727225.

It is an arithmetic number, because the mean of its divisors is an integer number (61202666727225).

Almost surely, 2^{122405333454449} is an apocalyptic number.

It is an amenable number.

122405333454449 is a deficient number, since it is larger than the sum of its proper divisors (1).

122405333454449 is an equidigital number, since it uses as much as digits as its factorization.

122405333454449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24883200, while the sum is 53.

The spelling of 122405333454449 in words is "one hundred twenty-two trillion, four hundred five billion, three hundred thirty-three million, four hundred fifty-four thousand, four hundred forty-nine".