122244141997 has 2 divisors, whose sum is σ = 122244141998. Its totient is φ = 122244141996.

The previous prime is 122244141979. The next prime is 122244142057. The reversal of 122244141997 is 799141442221.

Together with previous prime (122244141979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104321894121 + 17922247876 = 322989^2 + 133874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122244141997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122244141197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61122070998 + 61122070999.

It is an arithmetic number, because the mean of its divisors is an integer number (61122070999).

Almost surely, 2^122244141997 is an apocalyptic number.

It is an amenable number.

122244141997 is a deficient number, since it is larger than the sum of its proper divisors (1).

122244141997 is an equidigital number, since it uses as much as digits as its factorization.

122244141997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 46.

The spelling of 122244141997 in words is "one hundred twenty-two billion, two hundred forty-four million, one hundred forty-one thousand, nine hundred ninety-seven".