122288317 has 2 divisors, whose sum is σ = 122288318. Its totient is φ = 122288316.

The previous prime is 122288311. The next prime is 122288357. The reversal of 122288317 is 713882221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101183481 + 21104836 = 10059^2 + 4594^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122288317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122288311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61144158 + 61144159.

It is an arithmetic number, because the mean of its divisors is an integer number (61144159).

Almost surely, 2^122288317 is an apocalyptic number.

It is an amenable number.

122288317 is a deficient number, since it is larger than the sum of its proper divisors (1).

122288317 is an equidigital number, since it uses as much as digits as its factorization.

122288317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 34.

The square root of 122288317 is about 11058.4048126301. The cubic root of 122288317 is about 496.3579581419.

The spelling of 122288317 in words is "one hundred twenty-two million, two hundred eighty-eight thousand, three hundred seventeen".