100117 has 4 divisors (see below), whose sum is σ = 102060. Its totient is φ = 98176.

The previous prime is 100109. The next prime is 100129. The reversal of 100117 is 711001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60516 + 39601 = 246^2 + 199^2 .

It is a cyclic number.

It is not a de Polignac number, because 100117 - 2³ = 100109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100417) 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, 892 + ... + 997.

It is an arithmetic number, because the mean of its divisors is an integer number (25515).

2¹⁰⁰¹¹⁷ is an apocalyptic number.

It is an amenable number.

100117 is a deficient number, since it is larger than the sum of its proper divisors (1943).

100117 is an equidigital number, since it uses as much as digits as its factorization.

100117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942.

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

The square root of 100117 is about 316.4127051811. The cubic root of 100117 is about 46.4339834773.

Adding to 100117 its reverse (711001), we get a palindrome (811118).

The spelling of 100117 in words is "one hundred thousand, one hundred seventeen", and thus it is an iban number.