1045043 has 2 divisors, whose sum is σ = 1045044. Its totient is φ = 1045042.

The previous prime is 1045027. The next prime is 1045061. The reversal of 1045043 is 3405401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1045043 - 2⁴ = 1045027 is a prime.

It is a super-2 number, since 2×1045043² = 2184229743698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1045003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522521 + 522522.

It is an arithmetic number, because the mean of its divisors is an integer number (522522).

2^1045043 is an apocalyptic number.

1045043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045043 is an equidigital number, since it uses as much as digits as its factorization.

1045043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1045043 is about 1022.2734467842. The cubic root of 1045043 is about 101.4794380279.

The spelling of 1045043 in words is "one million, forty-five thousand, forty-three".