1000002043 has 2 divisors, whose sum is σ = 1000002044. Its totient is φ = 1000002042.

The previous prime is 1000001969. The next prime is 1000002089. The reversal of 1000002043 is 3402000001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000002043 - 2⁹ = 1000001531 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000032043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500001021 + 500001022.

It is an arithmetic number, because the mean of its divisors is an integer number (500001022).

Almost surely, 2^1000002043 is an apocalyptic number.

1000002043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000002043 is an equidigital number, since it uses as much as digits as its factorization.

1000002043 is an evil number, because the sum of its binary digits is even.

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

The square root of 1000002043 is about 31622.8089043336. The cubic root of 1000002043 is about 1000.0006809995. Note that the first 3 decimals are identical.

Adding to 1000002043 its reverse (3402000001), we get a palindrome (4402002044).

The spelling of 1000002043 in words is "one billion, two thousand, forty-three".