1303499987 has 2 divisors, whose sum is σ = 1303499988. Its totient is φ = 1303499986.

The previous prime is 1303499983. The next prime is 1303500043. The reversal of 1303499987 is 7899943031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1303499987 - 2² = 1303499983 is a prime.

It is a super-2 number, since 2×1303499987² = 3398224432218000338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1303499983) 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, 651749993 + 651749994.

It is an arithmetic number, because the mean of its divisors is an integer number (651749994).

Almost surely, 2^1303499987 is an apocalyptic number.

1303499987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303499987 is an equidigital number, since it uses as much as digits as its factorization.

1303499987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 1303499987 is about 36104.0162170360. The cubic root of 1303499987 is about 1092.3714568953.

The spelling of 1303499987 in words is "one billion, three hundred three million, four hundred ninety-nine thousand, nine hundred eighty-seven".