200124421 has 8 divisors (see below), whose sum is σ = 231284160. Its totient is φ = 169607328.

The previous prime is 200124409. The next prime is 200124439. The reversal of 200124421 is 124421002.

200124421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200124421 - 2⁷ = 200124293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200124395 and 200124404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200124481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159991 + ... + 161236.

It is an arithmetic number, because the mean of its divisors is an integer number (28910520).

Almost surely, 2^200124421 is an apocalyptic number.

It is an amenable number.

200124421 is a deficient number, since it is larger than the sum of its proper divisors (31159739).

200124421 is an equidigital number, since it uses as much as digits as its factorization.

200124421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321323.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 200124421 is about 14146.5338864331. The cubic root of 200124421 is about 584.9247922408.

Adding to 200124421 its reverse (124421002), we get a palindrome (324545423).

The spelling of 200124421 in words is "two hundred million, one hundred twenty-four thousand, four hundred twenty-one".