1303078163 has 2 divisors, whose sum is σ = 1303078164. Its totient is φ = 1303078162.

The previous prime is 1303078043. The next prime is 1303078181. The reversal of 1303078163 is 3618703031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1303078163 - 2²⁴ = 1286300947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1303071163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651539081 + 651539082.

It is an arithmetic number, because the mean of its divisors is an integer number (651539082).

Almost surely, 2^1303078163 is an apocalyptic number.

1303078163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303078163 is an equidigital number, since it uses as much as digits as its factorization.

1303078163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 1303078163 is about 36098.1739565868. The cubic root of 1303078163 is about 1092.2536105288.

The spelling of 1303078163 in words is "one billion, three hundred three million, seventy-eight thousand, one hundred sixty-three".