200124 has 48 divisors (see below), whose sum is σ = 554400. Its totient is φ = 62208.

The previous prime is 200117. The next prime is 200131. The reversal of 200124 is 421002.

It is an interprime number because it is at equal distance from previous prime (200117) and next prime (200131).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1782 + ... + 1890.

It is an arithmetic number, because the mean of its divisors is an integer number (11550).

2²⁰⁰¹²⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277200).

200124 is an abundant number, since it is smaller than the sum of its proper divisors (354276).

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

200124 is a wasteful number, since it uses less digits than its factorization.

200124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 200124 is about 447.3522102326. The cubic root of 200124 is about 58.4924382073.

Adding to 200124 its reverse (421002), we get a palindrome (621126).

It can be divided in two parts, 2001 and 24, that added together give a square (2025 = 45²).

The spelling of 200124 in words is "two hundred thousand, one hundred twenty-four", and thus it is an iban number.