1303129999 has 2 divisors, whose sum is σ = 1303130000. Its totient is φ = 1303129998.

The previous prime is 1303129979. The next prime is 1303130063. The reversal of 1303129999 is 9999213031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1303129999 - 2²³ = 1294741391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303129909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651564999 + 651565000.

It is an arithmetic number, because the mean of its divisors is an integer number (651565000).

Almost surely, 2^1303129999 is an apocalyptic number.

1303129999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303129999 is an equidigital number, since it uses as much as digits as its factorization.

1303129999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 118098, while the sum is 46.

The square root of 1303129999 is about 36098.8919359030. The cubic root of 1303129999 is about 1092.2680934941.

The spelling of 1303129999 in words is "one billion, three hundred three million, one hundred twenty-nine thousand, nine hundred ninety-nine".