122343217 has 2 divisors, whose sum is σ = 122343218. Its totient is φ = 122343216.

The previous prime is 122343211. The next prime is 122343241. The reversal of 122343217 is 712343221.

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., 88190881 + 34152336 = 9391^2 + 5844^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122343217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122343191 and 122343200.

It is not a weakly prime, because it can be changed into another prime (122343211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61171608 + 61171609.

It is an arithmetic number, because the mean of its divisors is an integer number (61171609).

Almost surely, 2^122343217 is an apocalyptic number.

It is an amenable number.

122343217 is a deficient number, since it is larger than the sum of its proper divisors (1).

122343217 is an equidigital number, since it uses as much as digits as its factorization.

122343217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 25.

The square root of 122343217 is about 11060.8868089317. The cubic root of 122343217 is about 496.4322251848.

Adding to 122343217 its reverse (712343221), we get a palindrome (834686438).

It can be divided in two parts, 12234 and 3217, that added together give a palindrome (15451).

The spelling of 122343217 in words is "one hundred twenty-two million, three hundred forty-three thousand, two hundred seventeen".