1301428663 has 2 divisors, whose sum is σ = 1301428664. Its totient is φ = 1301428662.

The previous prime is 1301428631. The next prime is 1301428721. The reversal of 1301428663 is 3668241031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1301428663 - 2⁵ = 1301428631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301428603) 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, 650714331 + 650714332.

It is an arithmetic number, because the mean of its divisors is an integer number (650714332).

Almost surely, 2^1301428663 is an apocalyptic number.

1301428663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301428663 is an equidigital number, since it uses as much as digits as its factorization.

1301428663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1301428663 is about 36075.3193055862. The cubic root of 1301428663 is about 1091.7925399316.

Adding to 1301428663 its reverse (3668241031), we get a palindrome (4969669694).

The spelling of 1301428663 in words is "one billion, three hundred one million, four hundred twenty-eight thousand, six hundred sixty-three".