1002043 has 8 divisors (see below), whose sum is σ = 1151712. Its totient is φ = 854016.

The previous prime is 1002017. The next prime is 1002049. The reversal of 1002043 is 3402001.

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 1002043 - 2⁹ = 1001531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1521 + ... + 2077.

It is an arithmetic number, because the mean of its divisors is an integer number (143964).

2^1002043 is an apocalyptic number.

1002043 is a deficient number, since it is larger than the sum of its proper divisors (149669).

1002043 is an equidigital number, since it uses as much as digits as its factorization.

1002043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 1002043 is about 1001.0209788011. The cubic root of 1002043 is about 100.0680536765.

Adding to 1002043 its reverse (3402001), we get a palindrome (4404044).

The spelling of 1002043 in words is "one million, two thousand, forty-three".