1301863 has 2 divisors, whose sum is σ = 1301864. Its totient is φ = 1301862.

The previous prime is 1301857. The next prime is 1301879. The reversal of 1301863 is 3681031.

It is a weak prime.

It is an emirp because it is prime and its reverse (3681031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650931 + 650932.

It is an arithmetic number, because the mean of its divisors is an integer number (650932).

2^1301863 is an apocalyptic number.

1301863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301863 is an equidigital number, since it uses as much as digits as its factorization.

1301863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1301863 is about 1140.9921121550. The cubic root of 1301863 is about 109.1913984199.

Adding to 1301863 its reverse (3681031), we get a palindrome (4982894).

The spelling of 1301863 in words is "one million, three hundred one thousand, eight hundred sixty-three".