204001103 has 4 divisors (see below), whose sum is σ = 208341600. Its totient is φ = 199660608.

The previous prime is 204001097. The next prime is 204001123. The reversal of 204001103 is 301100402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301100402 = 2 ⋅150550201.

It is a cyclic number.

It is not a de Polignac number, because 204001103 - 2⁸ = 204000847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204001123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2170178 + ... + 2170271.

It is an arithmetic number, because the mean of its divisors is an integer number (52085400).

Almost surely, 2^204001103 is an apocalyptic number.

204001103 is a deficient number, since it is larger than the sum of its proper divisors (4340497).

204001103 is an equidigital number, since it uses as much as digits as its factorization.

204001103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4340496.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 204001103 is about 14282.8954697568. The cubic root of 204001103 is about 588.6775926508.

Adding to 204001103 its reverse (301100402), we get a palindrome (505101505).

The spelling of 204001103 in words is "two hundred four million, one thousand, one hundred three".