123122442097 has 2 divisors, whose sum is σ = 123122442098. Its totient is φ = 123122442096.

The previous prime is 123122442073. The next prime is 123122442143. The reversal of 123122442097 is 790244221321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95046423616 + 28076018481 = 308296^2 + 167559^2 .

It is an emirp because it is prime and its reverse (790244221321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123122442097 is a prime.

It is not a weakly prime, because it can be changed into another prime (123122442007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61561221048 + 61561221049.

It is an arithmetic number, because the mean of its divisors is an integer number (61561221049).

Almost surely, 2^123122442097 is an apocalyptic number.

It is an amenable number.

123122442097 is a deficient number, since it is larger than the sum of its proper divisors (1).

123122442097 is an equidigital number, since it uses as much as digits as its factorization.

123122442097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 123122442097 in words is "one hundred twenty-three billion, one hundred twenty-two million, four hundred forty-two thousand, ninety-seven".