17129129 has 2 divisors, whose sum is σ = 17129130. Its totient is φ = 17129128.

The previous prime is 17129117. The next prime is 17129137. The reversal of 17129129 is 92192171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12075625 + 5053504 = 3475^2 + 2248^2 .

It is a cyclic number.

It is not a de Polignac number, because 17129129 - 2⁸ = 17128873 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 17129095 and 17129104.

It is not a weakly prime, because it can be changed into another prime (17129159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8564564 + 8564565.

It is an arithmetic number, because the mean of its divisors is an integer number (8564565).

Almost surely, 2^17129129 is an apocalyptic number.

It is an amenable number.

17129129 is a deficient number, since it is larger than the sum of its proper divisors (1).

17129129 is an equidigital number, since it uses as much as digits as its factorization.

17129129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 32.

The square root of 17129129 is about 4138.7351932686. The cubic root of 17129129 is about 257.7775509822. Note that the first 3 decimals are identical.

The spelling of 17129129 in words is "seventeen million, one hundred twenty-nine thousand, one hundred twenty-nine".