1143236 has 12 divisors (see below), whose sum is σ = 2009280. Its totient is φ = 569160.

The previous prime is 1143227. The next prime is 1143239. The reversal of 1143236 is 6323411.

It is not an unprimeable number, because it can be changed into a prime (1143239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785 + ... + 1703.

It is an arithmetic number, because the mean of its divisors is an integer number (167440).

2^1143236 is an apocalyptic number.

It is an amenable number.

1143236 is a deficient number, since it is larger than the sum of its proper divisors (866044).

1143236 is a wasteful number, since it uses less digits than its factorization.

1143236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234 (or 1232 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 1143236 is about 1069.2221471705. Note that the first 3 decimals coincide. The cubic root of 1143236 is about 104.5631433895.

Adding to 1143236 its reverse (6323411), we get a palindrome (7466647).

The spelling of 1143236 in words is "one million, one hundred forty-three thousand, two hundred thirty-six".