1142283 has 8 divisors (see below), whose sum is σ = 1546048. Its totient is φ = 750024.

The previous prime is 1142279. The next prime is 1142287. The reversal of 1142283 is 3822411.

It is an interprime number because it is at equal distance from previous prime (1142279) and next prime (1142287).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1142283 - 2² = 1142279 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2641 + ... + 3042.

It is an arithmetic number, because the mean of its divisors is an integer number (193256).

2^1142283 is an apocalyptic number.

1142283 is a deficient number, since it is larger than the sum of its proper divisors (403765).

1142283 is an equidigital number, since it uses as much as digits as its factorization.

1142283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5753.

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

The square root of 1142283 is about 1068.7764031826. The cubic root of 1142283 is about 104.5340807470.

Adding to 1142283 its reverse (3822411), we get a palindrome (4964694).

The spelling of 1142283 in words is "one million, one hundred forty-two thousand, two hundred eighty-three".