122732417 has 2 divisors, whose sum is σ = 122732418. Its totient is φ = 122732416.

The previous prime is 122732387. The next prime is 122732447. The reversal of 122732417 is 714237221.

It is a balanced prime because it is at equal distance from previous prime (122732387) and next prime (122732447).

It can be written as a sum of positive squares in only one way, i.e., 117852736 + 4879681 = 10856^2 + 2209^2 .

It is an emirp because it is prime and its reverse (714237221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122732417 - 2⁸ = 122732161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122732417.

It is not a weakly prime, because it can be changed into another prime (122732447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61366208 + 61366209.

It is an arithmetic number, because the mean of its divisors is an integer number (61366209).

Almost surely, 2^122732417 is an apocalyptic number.

It is an amenable number.

122732417 is a deficient number, since it is larger than the sum of its proper divisors (1).

122732417 is an equidigital number, since it uses as much as digits as its factorization.

122732417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 29.

The square root of 122732417 is about 11078.4663649803. The cubic root of 122732417 is about 496.9580870614.

Adding to 122732417 its reverse (714237221), we get a palindrome (836969638).

The spelling of 122732417 in words is "one hundred twenty-two million, seven hundred thirty-two thousand, four hundred seventeen".