200124321 has 24 divisors (see below), whose sum is σ = 288548064. Its totient is φ = 123284160.

The previous prime is 200124293. The next prime is 200124349. The reversal of 200124321 is 123421002.

It is an interprime number because it is at equal distance from previous prime (200124293) and next prime (200124349).

It is not a de Polignac number, because 200124321 - 2¹⁷ = 199993249 is a prime.

It is a super-2 number, since 2×200124321² = 80099487711422082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200124321.

It is not an unprimeable number, because it can be changed into a prime (200124121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42150 + ... + 46656.

It is an arithmetic number, because the mean of its divisors is an integer number (12022836).

Almost surely, 2^200124321 is an apocalyptic number.

It is an amenable number.

200124321 is a deficient number, since it is larger than the sum of its proper divisors (88423743).

200124321 is a wasteful number, since it uses less digits than its factorization.

200124321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4589 (or 4570 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 200124321 is about 14146.5303519980. The cubic root of 200124321 is about 584.9246948139.

Adding to 200124321 its reverse (123421002), we get a palindrome (323545323).

The spelling of 200124321 in words is "two hundred million, one hundred twenty-four thousand, three hundred twenty-one".