200410121 has 4 divisors (see below), whose sum is σ = 201360144. Its totient is φ = 199460100.

The previous prime is 200410103. The next prime is 200410139. The reversal of 200410121 is 121014002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (200410103) and next prime (200410139).

It is a cyclic number.

It is not a de Polignac number, because 200410121 - 2¹⁸ = 200147977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200410181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474695 + ... + 475116.

It is an arithmetic number, because the mean of its divisors is an integer number (50340036).

Almost surely, 2^200410121 is an apocalyptic number.

It is an amenable number.

200410121 is a deficient number, since it is larger than the sum of its proper divisors (950023).

200410121 is an equidigital number, since it uses as much as digits as its factorization.

200410121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950022.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 200410121 is about 14156.6281649268. The cubic root of 200410121 is about 585.2030084144.

Adding to 200410121 its reverse (121014002), we get a palindrome (321424123).

The spelling of 200410121 in words is "two hundred million, four hundred ten thousand, one hundred twenty-one".