122494595897 has 2 divisors, whose sum is σ = 122494595898. Its totient is φ = 122494595896.

The previous prime is 122494595891. The next prime is 122494595963. The reversal of 122494595897 is 798595494221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74716942336 + 47777653561 = 273344^2 + 218581^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122494595897 is a prime.

It is not a weakly prime, because it can be changed into another prime (122494595891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61247297948 + 61247297949.

It is an arithmetic number, because the mean of its divisors is an integer number (61247297949).

Almost surely, 2^122494595897 is an apocalyptic number.

It is an amenable number.

122494595897 is a deficient number, since it is larger than the sum of its proper divisors (1).

122494595897 is an equidigital number, since it uses as much as digits as its factorization.

122494595897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65318400, while the sum is 65.

The spelling of 122494595897 in words is "one hundred twenty-two billion, four hundred ninety-four million, five hundred ninety-five thousand, eight hundred ninety-seven".