122974472617 has 2 divisors, whose sum is σ = 122974472618. Its totient is φ = 122974472616.

The previous prime is 122974472581. The next prime is 122974472729. The reversal of 122974472617 is 716274479221.

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., 122446805776 + 527666841 = 349924^2 + 22971^2 .

It is a cyclic number.

It is not a de Polignac number, because 122974472617 - 2¹¹ = 122974470569 is a prime.

It is not a weakly prime, because it can be changed into another prime (122974472417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61487236308 + 61487236309.

It is an arithmetic number, because the mean of its divisors is an integer number (61487236309).

Almost surely, 2^122974472617 is an apocalyptic number.

It is an amenable number.

122974472617 is a deficient number, since it is larger than the sum of its proper divisors (1).

122974472617 is an equidigital number, since it uses as much as digits as its factorization.

122974472617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2370816, while the sum is 52.

The spelling of 122974472617 in words is "one hundred twenty-two billion, nine hundred seventy-four million, four hundred seventy-two thousand, six hundred seventeen".