200604121 has 4 divisors (see below), whose sum is σ = 206025892. Its totient is φ = 195182352.

The previous prime is 200604119. The next prime is 200604127. The reversal of 200604121 is 121406002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 142539721 + 58064400 = 11939^2 + 7620^2 .

It is a cyclic number.

It is not a de Polignac number, because 200604121 - 2¹ = 200604119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200604095 and 200604104.

It is not an unprimeable number, because it can be changed into a prime (200604127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2710830 + ... + 2710903.

It is an arithmetic number, because the mean of its divisors is an integer number (51506473).

Almost surely, 2^200604121 is an apocalyptic number.

It is an amenable number.

200604121 is a deficient number, since it is larger than the sum of its proper divisors (5421771).

200604121 is an equidigital number, since it uses as much as digits as its factorization.

200604121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421770.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 200604121 is about 14163.4784216308. The cubic root of 200604121 is about 585.3917759444.

The spelling of 200604121 in words is "two hundred million, six hundred four thousand, one hundred twenty-one".