1421011303 has 2 divisors, whose sum is σ = 1421011304. Its totient is φ = 1421011302.

The previous prime is 1421011289. The next prime is 1421011331. The reversal of 1421011303 is 3031101241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1421011303 - 2⁹ = 1421010791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1421011363) 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, 710505651 + 710505652.

It is an arithmetic number, because the mean of its divisors is an integer number (710505652).

Almost surely, 2^1421011303 is an apocalyptic number.

1421011303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421011303 is an equidigital number, since it uses as much as digits as its factorization.

1421011303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1421011303 is about 37696.3035721011. The cubic root of 1421011303 is about 1124.2576311856.

Adding to 1421011303 its reverse (3031101241), we get a palindrome (4452112544).

The spelling of 1421011303 in words is "one billion, four hundred twenty-one million, eleven thousand, three hundred three".