204042103 has 8 divisors (see below), whose sum is σ = 209145888. Its totient is φ = 198984864.

The previous prime is 204042079. The next prime is 204042127. The reversal of 204042103 is 301240402.

It is an interprime number because it is at equal distance from previous prime (204042079) and next prime (204042127).

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 204042103 - 2⁵ = 204042071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204042203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2676 + ... + 20377.

It is an arithmetic number, because the mean of its divisors is an integer number (26143236).

Almost surely, 2^204042103 is an apocalyptic number.

204042103 is a deficient number, since it is larger than the sum of its proper divisors (5103785).

204042103 is a wasteful number, since it uses less digits than its factorization.

204042103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23273.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 204042103 is about 14284.3306808545. The cubic root of 204042103 is about 588.7170273470.

Adding to 204042103 its reverse (301240402), we get a palindrome (505282505).

The spelling of 204042103 in words is "two hundred four million, forty-two thousand, one hundred three".