122961592543 has 2 divisors, whose sum is σ = 122961592544. Its totient is φ = 122961592542.

The previous prime is 122961592529. The next prime is 122961592609. The reversal of 122961592543 is 345295169221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122961592543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122961592513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61480796271 + 61480796272.

It is an arithmetic number, because the mean of its divisors is an integer number (61480796272).

Almost surely, 2^122961592543 is an apocalyptic number.

122961592543 is a deficient number, since it is larger than the sum of its proper divisors (1).

122961592543 is an equidigital number, since it uses as much as digits as its factorization.

122961592543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 49.

The spelling of 122961592543 in words is "one hundred twenty-two billion, nine hundred sixty-one million, five hundred ninety-two thousand, five hundred forty-three".