1301021063 has 2 divisors, whose sum is σ = 1301021064. Its totient is φ = 1301021062.

The previous prime is 1301021039. The next prime is 1301021081. The reversal of 1301021063 is 3601201031.

It is a strong prime.

It is an emirp because it is prime and its reverse (3601201031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1301021063 - 2¹⁶ = 1300955527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301021083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650510531 + 650510532.

It is an arithmetic number, because the mean of its divisors is an integer number (650510532).

Almost surely, 2^1301021063 is an apocalyptic number.

1301021063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301021063 is an equidigital number, since it uses as much as digits as its factorization.

1301021063 is an evil number, because the sum of its binary digits is even.

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

The square root of 1301021063 is about 36069.6695715389. The cubic root of 1301021063 is about 1091.6785469743.

Adding to 1301021063 its reverse (3601201031), we get a palindrome (4902222094).

The spelling of 1301021063 in words is "one billion, three hundred one million, twenty-one thousand, sixty-three".