1004043 has 4 divisors (see below), whose sum is σ = 1338728. Its totient is φ = 669360.

The previous prime is 1004033. The next prime is 1004053. The reversal of 1004043 is 3404001.

1004043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3404001 = 3 ⋅1134667.

It is an interprime number because it is at equal distance from previous prime (1004033) and next prime (1004053).

It is not a de Polignac number, because 1004043 - 2⁴ = 1004027 is a prime.

It is a D-number.

It is a Duffinian number.

1004043 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1004033) 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, 167338 + ... + 167343.

It is an arithmetic number, because the mean of its divisors is an integer number (334682).

2^1004043 is an apocalyptic number.

1004043 is a deficient number, since it is larger than the sum of its proper divisors (334685).

1004043 is an equidigital number, since it uses as much as digits as its factorization.

1004043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334684.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1004043 is about 1002.0194608889. The cubic root of 1004043 is about 100.1345854530.

Adding to 1004043 its reverse (3404001), we get a palindrome (4408044).

The spelling of 1004043 in words is "one million, four thousand, forty-three".