171103 has 2 divisors, whose sum is σ = 171104. Its totient is φ = 171102.

The previous prime is 171091. The next prime is 171131. The reversal of 171103 is 301171.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 171103 - 2¹⁷ = 40031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85551 + 85552.

It is an arithmetic number, because the mean of its divisors is an integer number (85552).

2¹⁷¹¹⁰³ is an apocalyptic number.

171103 is a deficient number, since it is larger than the sum of its proper divisors (1).

171103 is an equidigital number, since it uses as much as digits as its factorization.

171103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21, while the sum is 13.

The square root of 171103 is about 413.6459839041. The cubic root of 171103 is about 55.5161330693.

Adding to 171103 its reverse (301171), we get a palindrome (472274).

The spelling of 171103 in words is "one hundred seventy-one thousand, one hundred three", and thus it is an iban number.