200124143 has 4 divisors (see below), whose sum is σ = 202657440. Its totient is φ = 197590848.

The previous prime is 200124137. The next prime is 200124161. The reversal of 200124143 is 341421002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200124143 - 2²⁰ = 199075567 is a prime.

It is a super-2 number, since 2×200124143² = 80099345222968898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200124943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266530 + ... + 1266687.

It is an arithmetic number, because the mean of its divisors is an integer number (50664360).

Almost surely, 2^200124143 is an apocalyptic number.

200124143 is a deficient number, since it is larger than the sum of its proper divisors (2533297).

200124143 is an equidigital number, since it uses as much as digits as its factorization.

200124143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533296.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 200124143 is about 14146.5240607013. The cubic root of 200124143 is about 584.9245213940.

Adding to 200124143 its reverse (341421002), we get a palindrome (541545145).

The spelling of 200124143 in words is "two hundred million, one hundred twenty-four thousand, one hundred forty-three".