204101 has 2 divisors, whose sum is σ = 204102. Its totient is φ = 204100.

The previous prime is 204067. The next prime is 204107. The reversal of 204101 is 101402.

204101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201601 + 2500 = 449^2 + 50^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204101 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102050 + 102051.

It is an arithmetic number, because the mean of its divisors is an integer number (102051).

2²⁰⁴¹⁰¹ is an apocalyptic number.

It is an amenable number.

204101 is a deficient number, since it is larger than the sum of its proper divisors (1).

204101 is an equidigital number, since it uses as much as digits as its factorization.

204101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 204101 is about 451.7753866691. The cubic root of 204101 is about 58.8773666525.

Adding to 204101 its reverse (101402), we get a palindrome (305503).

The spelling of 204101 in words is "two hundred four thousand, one hundred one", and thus it is an iban number.