122917297 has 2 divisors, whose sum is σ = 122917298. Its totient is φ = 122917296.

The previous prime is 122917279. The next prime is 122917307. The reversal of 122917297 is 792719221.

Together with previous prime (122917279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122744241 + 173056 = 11079^2 + 416^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122917297 is a prime.

It is not a weakly prime, because it can be changed into another prime (122917247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61458648 + 61458649.

It is an arithmetic number, because the mean of its divisors is an integer number (61458649).

Almost surely, 2^122917297 is an apocalyptic number.

It is an amenable number.

122917297 is a deficient number, since it is larger than the sum of its proper divisors (1).

122917297 is an equidigital number, since it uses as much as digits as its factorization.

122917297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 40.

The square root of 122917297 is about 11086.8073402581. The cubic root of 122917297 is about 497.2074955392.

The spelling of 122917297 in words is "one hundred twenty-two million, nine hundred seventeen thousand, two hundred ninety-seven".