2001104003 has 4 divisors (see below), whose sum is σ = 2035021080. Its totient is φ = 1967186928.

The previous prime is 2001103981. The next prime is 2001104047. The reversal of 2001104003 is 3004011002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2001104003 - 2⁸ = 2001103747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001104503) 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, 16958450 + ... + 16958567.

It is an arithmetic number, because the mean of its divisors is an integer number (508755270).

Almost surely, 2^2001104003 is an apocalyptic number.

2001104003 is a deficient number, since it is larger than the sum of its proper divisors (33917077).

2001104003 is an equidigital number, since it uses as much as digits as its factorization.

2001104003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33917076.

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

The square root of 2001104003 is about 44733.7009758862. The cubic root of 2001104003 is about 1260.1528333550.

Adding to 2001104003 its reverse (3004011002), we get a palindrome (5005115005).

The spelling of 2001104003 in words is "two billion, one million, one hundred four thousand, three".