122400550234553 has 2 divisors, whose sum is σ = 122400550234554. Its totient is φ = 122400550234552.

The previous prime is 122400550234517. The next prime is 122400550234583. The reversal of 122400550234553 is 355432055004221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62071030119289 + 60329520115264 = 7878517^2 + 7767208^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122400550234553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122400550234553.

It is not a weakly prime, because it can be changed into another prime (122400550234583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61200275117276 + 61200275117277.

It is an arithmetic number, because the mean of its divisors is an integer number (61200275117277).

Almost surely, 2^{122400550234553} is an apocalyptic number.

It is an amenable number.

122400550234553 is a deficient number, since it is larger than the sum of its proper divisors (1).

122400550234553 is an equidigital number, since it uses as much as digits as its factorization.

122400550234553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 122400550234553 in words is "one hundred twenty-two trillion, four hundred billion, five hundred fifty million, two hundred thirty-four thousand, five hundred fifty-three".