1301216003 has 2 divisors, whose sum is σ = 1301216004. Its totient is φ = 1301216002.

The previous prime is 1301215997. The next prime is 1301216039. The reversal of 1301216003 is 3006121031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1301216003 - 2⁴ = 1301215987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1301216093) 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, 650608001 + 650608002.

It is an arithmetic number, because the mean of its divisors is an integer number (650608002).

Almost surely, 2^1301216003 is an apocalyptic number.

1301216003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301216003 is an equidigital number, since it uses as much as digits as its factorization.

1301216003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1301216003 is about 36072.3717407104. The cubic root of 1301216003 is about 1091.7330685584.

Adding to 1301216003 its reverse (3006121031), we get a palindrome (4307337034).

The spelling of 1301216003 in words is "one billion, three hundred one million, two hundred sixteen thousand, three".