1283043 has 4 divisors (see below), whose sum is σ = 1710728. Its totient is φ = 855360.

The previous prime is 1283027. The next prime is 1283063. The reversal of 1283043 is 3403821.

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: 3403821 = 3 ⋅1134607.

It is not a de Polignac number, because 1283043 - 2⁴ = 1283027 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1283063) 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, 213838 + ... + 213843.

It is an arithmetic number, because the mean of its divisors is an integer number (427682).

2^1283043 is an apocalyptic number.

1283043 is a deficient number, since it is larger than the sum of its proper divisors (427685).

1283043 is an equidigital number, since it uses as much as digits as its factorization.

1283043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427684.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1283043 is about 1132.7148802766. The cubic root of 1283043 is about 108.6626779538.

Adding to 1283043 its reverse (3403821), we get a palindrome (4686864).

The spelling of 1283043 in words is "one million, two hundred eighty-three thousand, forty-three".