122417213 has 2 divisors, whose sum is σ = 122417214. Its totient is φ = 122417212.

The previous prime is 122417203. The next prime is 122417219. The reversal of 122417213 is 312714221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114340249 + 8076964 = 10693^2 + 2842^2 .

It is a cyclic number.

It is not a de Polignac number, because 122417213 - 2¹² = 122413117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122417219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61208606 + 61208607.

It is an arithmetic number, because the mean of its divisors is an integer number (61208607).

Almost surely, 2^122417213 is an apocalyptic number.

It is an amenable number.

122417213 is a deficient number, since it is larger than the sum of its proper divisors (1).

122417213 is an equidigital number, since it uses as much as digits as its factorization.

122417213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 23.

The square root of 122417213 is about 11064.2312430643. The cubic root of 122417213 is about 496.5322895677.

The spelling of 122417213 in words is "one hundred twenty-two million, four hundred seventeen thousand, two hundred thirteen".