204012103 has 2 divisors, whose sum is σ = 204012104. Its totient is φ = 204012102.

The previous prime is 204012097. The next prime is 204012113. The reversal of 204012103 is 301210402.

204012103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204012103 - 2²⁵ = 170457671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204012113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102006051 + 102006052.

It is an arithmetic number, because the mean of its divisors is an integer number (102006052).

Almost surely, 2^204012103 is an apocalyptic number.

204012103 is a deficient number, since it is larger than the sum of its proper divisors (1).

204012103 is an equidigital number, since it uses as much as digits as its factorization.

204012103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 204012103 is about 14283.2805405481. The cubic root of 204012103 is about 588.6881732098.

Adding to 204012103 its reverse (301210402), we get a palindrome (505222505).

The spelling of 204012103 in words is "two hundred four million, twelve thousand, one hundred three".