1143282 has 32 divisors (see below), whose sum is σ = 2644992. Its totient is φ = 322704.

The previous prime is 1143281. The next prime is 1143283. The reversal of 1143282 is 2823411.

It is an interprime number because it is at equal distance from previous prime (1143281) and next prime (1143283).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6763 + ... + 6929.

It is an arithmetic number, because the mean of its divisors is an integer number (82656).

2^1143282 is an apocalyptic number.

1143282 is an abundant number, since it is smaller than the sum of its proper divisors (1501710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143282 is a wasteful number, since it uses less digits than its factorization.

1143282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342.

The product of its digits is 384, while the sum is 21.

The square root of 1143282 is about 1069.2436579190. The cubic root of 1143282 is about 104.5645457946.

Adding to 1143282 its reverse (2823411), we get a palindrome (3966693).

The spelling of 1143282 in words is "one million, one hundred forty-three thousand, two hundred eighty-two".