1143283 has 2 divisors, whose sum is σ = 1143284. Its totient is φ = 1143282.

The previous prime is 1143281. The next prime is 1143299. The reversal of 1143283 is 3823411.

It is a weak prime.

It is an emirp because it is prime and its reverse (3823411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1143283 - 2¹ = 1143281 is a prime.

Together with 1143281, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1143281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571641 + 571642.

It is an arithmetic number, because the mean of its divisors is an integer number (571642).

2^1143283 is an apocalyptic number.

1143283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143283 is an equidigital number, since it uses as much as digits as its factorization.

1143283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 22.

The square root of 1143283 is about 1069.2441255392. The cubic root of 1143283 is about 104.5645762812.

Adding to 1143283 its reverse (3823411), we get a palindrome (4966694).

The spelling of 1143283 in words is "one million, one hundred forty-three thousand, two hundred eighty-three".