1283071 has 4 divisors (see below), whose sum is σ = 1295632. Its totient is φ = 1270512.

The previous prime is 1283069. The next prime is 1283083. The reversal of 1283071 is 1703821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1703821 = 7 ⋅243403.

It is a cyclic number.

It is not a de Polignac number, because 1283071 - 2¹ = 1283069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283011) 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, 6126 + ... + 6331.

It is an arithmetic number, because the mean of its divisors is an integer number (323908).

2^1283071 is an apocalyptic number.

1283071 is a deficient number, since it is larger than the sum of its proper divisors (12561).

1283071 is a wasteful number, since it uses less digits than its factorization.

1283071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12560.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1283071 is about 1132.7272398949. The cubic root of 1283071 is about 108.6634684009.

Adding to 1283071 its reverse (1703821), we get a palindrome (2986892).

The spelling of 1283071 in words is "one million, two hundred eighty-three thousand, seventy-one".