1144003 has 12 divisors (see below), whose sum is σ = 1368912. Its totient is φ = 952560.

The previous prime is 1144001. The next prime is 1144007. The reversal of 1144003 is 3004411.

It is not a de Polignac number, because 1144003 - 2¹ = 1144001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1498 + ... + 2128.

It is an arithmetic number, because the mean of its divisors is an integer number (114076).

2^1144003 is an apocalyptic number.

1144003 is a deficient number, since it is larger than the sum of its proper divisors (224909).

1144003 is an equidigital number, since it uses as much as digits as its factorization.

1144003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 675 counting only the distinct ones).

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

The square root of 1144003 is about 1069.5807589892. The cubic root of 1144003 is about 104.5865220567.

Adding to 1144003 its reverse (3004411), we get a palindrome (4148414).

The spelling of 1144003 in words is "one million, one hundred forty-four thousand, three".