100200 has 48 divisors (see below), whose sum is σ = 312480. Its totient is φ = 26560.

The previous prime is 100193. The next prime is 100207. The reversal of 100200 is 2001.

It is an interprime number because it is at equal distance from previous prime (100193) and next prime (100207).

It is a Harshad number since it is a multiple of its sum of digits (3).

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

It is not an unprimeable number, because it can be changed into a prime (100207) by changing a digit.

100200 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 11 ways as a sum of consecutive naturals, for example, 517 + ... + 683.

It is an arithmetic number, because the mean of its divisors is an integer number (6510).

2¹⁰⁰²⁰⁰ is an apocalyptic number.

100200 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 100200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156240).

100200 is an abundant number, since it is smaller than the sum of its proper divisors (212280).

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

100200 is a wasteful number, since it uses less digits than its factorization.

100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 3.

The square root of 100200 is about 316.5438358269. The cubic root of 100200 is about 46.4468116553.

Adding to 100200 its reverse (2001), we get a palindrome (102201).

It can be divided in two parts, 100 and 200, that added together give a triangular number (300 = T₂₄).

The spelling of 100200 in words is "one hundred thousand, two hundred", and thus it is an iban number.