17098121 has 2 divisors, whose sum is σ = 17098122. Its totient is φ = 17098120.

The previous prime is 17098111. The next prime is 17098153. The reversal of 17098121 is 12189071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9369721 + 7728400 = 3061^2 + 2780^2 .

It is an emirp because it is prime and its reverse (12189071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17098121 - 2¹⁰ = 17097097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (17098111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8549060 + 8549061.

It is an arithmetic number, because the mean of its divisors is an integer number (8549061).

Almost surely, 2^17098121 is an apocalyptic number.

It is an amenable number.

17098121 is a deficient number, since it is larger than the sum of its proper divisors (1).

17098121 is an equidigital number, since it uses as much as digits as its factorization.

17098121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 29.

The square root of 17098121 is about 4134.9874244065. The cubic root of 17098121 is about 257.6219097863.

The spelling of 17098121 in words is "seventeen million, ninety-eight thousand, one hundred twenty-one".