1331163 has 12 divisors (see below), whose sum is σ = 1932840. Its totient is φ = 882816.

The previous prime is 1331153. The next prime is 1331207. The reversal of 1331163 is 3611331.

It is not a de Polignac number, because 1331163 - 2¹⁴ = 1314779 is a prime.

1331163 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1331123) 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 in 11 ways as a sum of consecutive naturals, for example, 2968 + ... + 3386.

It is an arithmetic number, because the mean of its divisors is an integer number (161070).

2^1331163 is an apocalyptic number.

1331163 is a deficient number, since it is larger than the sum of its proper divisors (601677).

1331163 is a wasteful number, since it uses less digits than its factorization.

1331163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 775 counting only the distinct ones).

The product of its digits is 162, while the sum is 18.

The square root of 1331163 is about 1153.7603737345. The cubic root of 1331163 is about 110.0044901748.

Adding to 1331163 its reverse (3611331), we get a palindrome (4942494).

It can be divided in two parts, 133 and 1163, that added together give a 4-th power (1296 = 6⁴).

The spelling of 1331163 in words is "one million, three hundred thirty-one thousand, one hundred sixty-three".