1303040287 has 2 divisors, whose sum is σ = 1303040288. Its totient is φ = 1303040286.

The previous prime is 1303040281. The next prime is 1303040339. The reversal of 1303040287 is 7820403031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1303040287 - 2¹¹ = 1303038239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303040281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651520143 + 651520144.

It is an arithmetic number, because the mean of its divisors is an integer number (651520144).

Almost surely, 2^1303040287 is an apocalyptic number.

1303040287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303040287 is an equidigital number, since it uses as much as digits as its factorization.

1303040287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1303040287 is about 36097.6493278995. The cubic root of 1303040287 is about 1092.2430277411.

The spelling of 1303040287 in words is "one billion, three hundred three million, forty thousand, two hundred eighty-seven".