1028043959 has 2 divisors, whose sum is σ = 1028043960. Its totient is φ = 1028043958.

The previous prime is 1028043911. The next prime is 1028043967. The reversal of 1028043959 is 9593408201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1028043959 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028043859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514021979 + 514021980.

It is an arithmetic number, because the mean of its divisors is an integer number (514021980).

Almost surely, 2^1028043959 is an apocalyptic number.

1028043959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028043959 is an equidigital number, since it uses as much as digits as its factorization.

1028043959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 1028043959 is about 32063.1245982047. The cubic root of 1028043959 is about 1009.2619379974.

The spelling of 1028043959 in words is "one billion, twenty-eight million, forty-three thousand, nine hundred fifty-nine".