1343003 has 2 divisors, whose sum is σ = 1343004. Its totient is φ = 1343002.

The previous prime is 1342987. The next prime is 1343009. The reversal of 1343003 is 3003431.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3003431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1343003 - 2⁴ = 1342987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1343009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671501 + 671502.

It is an arithmetic number, because the mean of its divisors is an integer number (671502).

2^1343003 is an apocalyptic number.

1343003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343003 is an equidigital number, since it uses as much as digits as its factorization.

1343003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 1343003 is about 1158.8800628193. The cubic root of 1343003 is about 110.3296721362.

Adding to 1343003 its reverse (3003431), we get a palindrome (4346434).

The spelling of 1343003 in words is "one million, three hundred forty-three thousand, three".