100500 has 48 divisors (see below), whose sum is σ = 297024. Its totient is φ = 26400.

The previous prime is 100493. The next prime is 100501. The reversal of 100500 is 5001.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1467 + ... + 1533.

It is an arithmetic number, because the mean of its divisors is an integer number (6188).

2¹⁰⁰⁵⁰⁰ is an apocalyptic number.

100500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148512).

100500 is an abundant number, since it is smaller than the sum of its proper divisors (196524).

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

100500 is a wasteful number, since it uses less digits than its factorization.

100500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 6.

The square root of 100500 is about 317.0173496829. The cubic root of 100500 is about 46.4931195740.

Adding to 100500 its reverse (5001), we get a palindrome (105501).

The spelling of 100500 in words is "one hundred thousand, five hundred".