122098117 has 2 divisors, whose sum is σ = 122098118. Its totient is φ = 122098116.

The previous prime is 122098073. The next prime is 122098127. The reversal of 122098117 is 711890221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85544001 + 36554116 = 9249^2 + 6046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122098117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122098127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61049058 + 61049059.

It is an arithmetic number, because the mean of its divisors is an integer number (61049059).

Almost surely, 2^122098117 is an apocalyptic number.

It is an amenable number.

122098117 is a deficient number, since it is larger than the sum of its proper divisors (1).

122098117 is an equidigital number, since it uses as much as digits as its factorization.

122098117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 122098117 is about 11049.8016724283. The cubic root of 122098117 is about 496.1004893625.

The spelling of 122098117 in words is "one hundred twenty-two million, ninety-eight thousand, one hundred seventeen".