1330943 has 2 divisors, whose sum is σ = 1330944. Its totient is φ = 1330942.

The previous prime is 1330933. The next prime is 1330957. The reversal of 1330943 is 3490331.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1330943 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665471 + 665472.

It is an arithmetic number, because the mean of its divisors is an integer number (665472).

2^1330943 is an apocalyptic number.

1330943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330943 is an equidigital number, since it uses as much as digits as its factorization.

1330943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 1330943 is about 1153.6650293738. The cubic root of 1330943 is about 109.9984297297.

The spelling of 1330943 in words is "one million, three hundred thirty thousand, nine hundred forty-three".