100868 has 12 divisors (see below), whose sum is σ = 178752. Its totient is φ = 49800.

The previous prime is 100853. The next prime is 100907. The reversal of 100868 is 868001.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521 + ... + 687.

It is an arithmetic number, because the mean of its divisors is an integer number (14896).

2¹⁰⁰⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

100868 is a deficient number, since it is larger than the sum of its proper divisors (77884).

100868 is a wasteful number, since it uses less digits than its factorization.

100868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 100868 is about 317.5972292071. The cubic root of 100868 is about 46.5497982711.

Adding to 100868 its reverse (868001), we get a palindrome (968869).

The spelling of 100868 in words is "one hundred thousand, eight hundred sixty-eight".