122531434561493 has 2 divisors, whose sum is σ = 122531434561494. Its totient is φ = 122531434561492.

The previous prime is 122531434561489. The next prime is 122531434561537. The reversal of 122531434561493 is 394165434135221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66140841820804 + 56390592740689 = 8132702^2 + 7509367^2 .

It is a cyclic number.

It is not a de Polignac number, because 122531434561493 - 2² = 122531434561489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122531434564493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61265717280746 + 61265717280747.

It is an arithmetic number, because the mean of its divisors is an integer number (61265717280747).

Almost surely, 2^{122531434561493} is an apocalyptic number.

It is an amenable number.

122531434561493 is a deficient number, since it is larger than the sum of its proper divisors (1).

122531434561493 is an equidigital number, since it uses as much as digits as its factorization.

122531434561493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9331200, while the sum is 53.

The spelling of 122531434561493 in words is "one hundred twenty-two trillion, five hundred thirty-one billion, four hundred thirty-four million, five hundred sixty-one thousand, four hundred ninety-three".