122016617 has 2 divisors, whose sum is σ = 122016618. Its totient is φ = 122016616.

The previous prime is 122016611. The next prime is 122016641. The reversal of 122016617 is 716610221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120912016 + 1104601 = 10996^2 + 1051^2 .

It is an emirp because it is prime and its reverse (716610221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122016617 - 2¹⁸ = 121754473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122016611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61008308 + 61008309.

It is an arithmetic number, because the mean of its divisors is an integer number (61008309).

Almost surely, 2^122016617 is an apocalyptic number.

It is an amenable number.

122016617 is a deficient number, since it is larger than the sum of its proper divisors (1).

122016617 is an equidigital number, since it uses as much as digits as its factorization.

122016617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 122016617 is about 11046.1132078211. The cubic root of 122016617 is about 495.9900831025.

Adding to 122016617 its reverse (716610221), we get a palindrome (838626838).

The spelling of 122016617 in words is "one hundred twenty-two million, sixteen thousand, six hundred seventeen".