100171 has 4 divisors (see below), whose sum is σ = 101200. Its totient is φ = 99144.

The previous prime is 100169. The next prime is 100183. The reversal of 100171 is 171001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 171001 = 271 ⋅631.

It is a cyclic number.

It is not a de Polignac number, because 100171 - 2¹ = 100169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351 + ... + 568.

It is an arithmetic number, because the mean of its divisors is an integer number (25300).

2¹⁰⁰¹⁷¹ is an apocalyptic number.

100171 is a deficient number, since it is larger than the sum of its proper divisors (1029).

100171 is an equidigital number, since it uses as much as digits as its factorization.

100171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028.

The product of its (nonzero) digits is 7, while the sum is 10.

The square root of 100171 is about 316.4980252703. The cubic root of 100171 is about 46.4423303263.

Adding to 100171 its reverse (171001), we get a palindrome (271172).

The spelling of 100171 in words is "one hundred thousand, one hundred seventy-one", and thus it is an iban number.