101868 has 24 divisors (see below), whose sum is σ = 256368. Its totient is φ = 31296.

The previous prime is 101863. The next prime is 101869. The reversal of 101868 is 868101.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101863) by changing a digit.

101868 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171 + ... + 482.

It is an arithmetic number, because the mean of its divisors is an integer number (10682).

2¹⁰¹⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

101868 is an abundant number, since it is smaller than the sum of its proper divisors (154500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101868 is a wasteful number, since it uses less digits than its factorization.

101868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 101868 is about 319.1676675354. The cubic root of 101868 is about 46.7031234394.

Adding to 101868 its reverse (868101), we get a palindrome (969969).

It can be divided in two parts, 101 and 868, that added together give a palindrome (969).

The spelling of 101868 in words is "one hundred one thousand, eight hundred sixty-eight".