1301023 has 2 divisors, whose sum is σ = 1301024. Its totient is φ = 1301022.

The previous prime is 1301021. The next prime is 1301033. The reversal of 1301023 is 3201031.

It is an a-pointer prime, because the next prime (1301033) can be obtained adding 1301023 to its sum of digits (10).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1301023 - 2¹ = 1301021 is a prime.

Together with 1301021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650511 + 650512.

It is an arithmetic number, because the mean of its divisors is an integer number (650512).

2^1301023 is an apocalyptic number.

1301023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301023 is an equidigital number, since it uses as much as digits as its factorization.

1301023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1301023 is about 1140.6239520543. The cubic root of 1301023 is about 109.1679088749.

Adding to 1301023 its reverse (3201031), we get a palindrome (4502054).

The spelling of 1301023 in words is "one million, three hundred one thousand, twenty-three".