170947103 has 2 divisors, whose sum is σ = 170947104. Its totient is φ = 170947102.

The previous prime is 170947069. The next prime is 170947111. The reversal of 170947103 is 301749071.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 170947103 - 2⁸ = 170946847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 170947103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170947003) 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, 85473551 + 85473552.

It is an arithmetic number, because the mean of its divisors is an integer number (85473552).

Almost surely, 2^170947103 is an apocalyptic number.

170947103 is a deficient number, since it is larger than the sum of its proper divisors (1).

170947103 is an equidigital number, since it uses as much as digits as its factorization.

170947103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 170947103 is about 13074.6741068372. The cubic root of 170947103 is about 554.9926714937.

The spelling of 170947103 in words is "one hundred seventy million, nine hundred forty-seven thousand, one hundred three".