1143083 has 4 divisors (see below), whose sum is σ = 1153680. Its totient is φ = 1132488.

The previous prime is 1143073. The next prime is 1143089. The reversal of 1143083 is 3803411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3803411 = 61 ⋅62351.

It is a cyclic number.

It is not a de Polignac number, because 1143083 - 2⁴ = 1143067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143089) 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, 5135 + ... + 5352.

It is an arithmetic number, because the mean of its divisors is an integer number (288420).

2^1143083 is an apocalyptic number.

1143083 is a deficient number, since it is larger than the sum of its proper divisors (10597).

1143083 is a wasteful number, since it uses less digits than its factorization.

1143083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10596.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1143083 is about 1069.1505974370. The cubic root of 1143083 is about 104.5584785974.

Adding to 1143083 its reverse (3803411), we get a palindrome (4946494).

The spelling of 1143083 in words is "one million, one hundred forty-three thousand, eighty-three".