122331217 has 2 divisors, whose sum is σ = 122331218. Its totient is φ = 122331216.

The previous prime is 122331191. The next prime is 122331221. The reversal of 122331217 is 712133221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73205136 + 49126081 = 8556^2 + 7009^2 .

It is a cyclic number.

It is not a de Polignac number, because 122331217 - 2¹¹ = 122329169 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122331617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61165608 + 61165609.

It is an arithmetic number, because the mean of its divisors is an integer number (61165609).

Almost surely, 2^122331217 is an apocalyptic number.

It is an amenable number.

122331217 is a deficient number, since it is larger than the sum of its proper divisors (1).

122331217 is an equidigital number, since it uses as much as digits as its factorization.

122331217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 22.

The square root of 122331217 is about 11060.3443436450. The cubic root of 122331217 is about 496.4159938490.

Adding to 122331217 its reverse (712133221), we get a palindrome (834464438).

The spelling of 122331217 in words is "one hundred twenty-two million, three hundred thirty-one thousand, two hundred seventeen".