122023217 has 2 divisors, whose sum is σ = 122023218. Its totient is φ = 122023216.

The previous prime is 122023201. The next prime is 122023247. The reversal of 122023217 is 712320221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93624976 + 28398241 = 9676^2 + 5329^2 .

It is an emirp because it is prime and its reverse (712320221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122023217 - 2⁴ = 122023201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122023247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61011608 + 61011609.

It is an arithmetic number, because the mean of its divisors is an integer number (61011609).

Almost surely, 2^122023217 is an apocalyptic number.

It is an amenable number.

122023217 is a deficient number, since it is larger than the sum of its proper divisors (1).

122023217 is an equidigital number, since it uses as much as digits as its factorization.

122023217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 122023217 is about 11046.4119513985. The cubic root of 122023217 is about 495.9990258067. Note that the first 3 decimals are identical.

Adding to 122023217 its reverse (712320221), we get a palindrome (834343438).

The spelling of 122023217 in words is "one hundred twenty-two million, twenty-three thousand, two hundred seventeen".