122317717 has 2 divisors, whose sum is σ = 122317718. Its totient is φ = 122317716.

The previous prime is 122317709. The next prime is 122317739. The reversal of 122317717 is 717713221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122014116 + 303601 = 11046^2 + 551^2 .

It is a cyclic number.

It is not a de Polignac number, because 122317717 - 2³ = 122317709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122317817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61158858 + 61158859.

It is an arithmetic number, because the mean of its divisors is an integer number (61158859).

Almost surely, 2^122317717 is an apocalyptic number.

It is an amenable number.

122317717 is a deficient number, since it is larger than the sum of its proper divisors (1).

122317717 is an equidigital number, since it uses as much as digits as its factorization.

122317717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4116, while the sum is 31.

The square root of 122317717 is about 11059.7340383935. The cubic root of 122317717 is about 496.3977323275.

The spelling of 122317717 in words is "one hundred twenty-two million, three hundred seventeen thousand, seven hundred seventeen".