1321163 has 2 divisors, whose sum is σ = 1321164. Its totient is φ = 1321162.

The previous prime is 1321157. The next prime is 1321169. The reversal of 1321163 is 3611231.

It is a balanced prime because it is at equal distance from previous prime (1321157) and next prime (1321169).

It is a cyclic number.

It is not a de Polignac number, because 1321163 - 2¹² = 1317067 is a prime.

It is not a weakly prime, because it can be changed into another prime (1321169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660581 + 660582.

It is an arithmetic number, because the mean of its divisors is an integer number (660582).

2^1321163 is an apocalyptic number.

1321163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321163 is an equidigital number, since it uses as much as digits as its factorization.

1321163 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1321163 is about 1149.4185486584. The cubic root of 1321163 is about 109.7283379050.

Adding to 1321163 its reverse (3611231), we get a palindrome (4932394).

The spelling of 1321163 in words is "one million, three hundred twenty-one thousand, one hundred sixty-three".