1003960943 has 2 divisors, whose sum is σ = 1003960944. Its totient is φ = 1003960942.

The previous prime is 1003960939. The next prime is 1003960967. The reversal of 1003960943 is 3490693001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1003960943 - 2² = 1003960939 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 (1003960543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501980471 + 501980472.

It is an arithmetic number, because the mean of its divisors is an integer number (501980472).

Almost surely, 2^1003960943 is an apocalyptic number.

1003960943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003960943 is an equidigital number, since it uses as much as digits as its factorization.

1003960943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 1003960943 is about 31685.3427155207. The cubic root of 1003960943 is about 1001.3185749293.

The spelling of 1003960943 in words is "one billion, three million, nine hundred sixty thousand, nine hundred forty-three".