1143056 has 20 divisors (see below), whose sum is σ = 2232000. Its totient is φ = 567072.

The previous prime is 1143053. The next prime is 1143061. The reversal of 1143056 is 6503411.

It is not an unprimeable number, because it can be changed into a prime (1143053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3005 + ... + 3363.

It is an arithmetic number, because the mean of its divisors is an integer number (111600).

2^1143056 is an apocalyptic number.

1143056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1143056 is a deficient number, since it is larger than the sum of its proper divisors (1088944).

1143056 is a wasteful number, since it uses less digits than its factorization.

1143056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1143056 is about 1069.1379705164. The cubic root of 1143056 is about 104.5576553556.

Adding to 1143056 its reverse (6503411), we get a palindrome (7646467).

The spelling of 1143056 in words is "one million, one hundred forty-three thousand, fifty-six".