1283103 has 6 divisors (see below), whose sum is σ = 1853384. Its totient is φ = 855396.

The previous prime is 1283099. The next prime is 1283111. The reversal of 1283103 is 3013821.

It is not a de Polignac number, because 1283103 - 2² = 1283099 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 (1283173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71275 + ... + 71292.

2^1283103 is an apocalyptic number.

1283103 is a deficient number, since it is larger than the sum of its proper divisors (570281).

1283103 is a wasteful number, since it uses less digits than its factorization.

1283103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142573 (or 142570 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1283103 is about 1132.7413650079. The cubic root of 1283103 is about 108.6643717549.

Adding to 1283103 its reverse (3013821), we get a palindrome (4296924).

The spelling of 1283103 in words is "one million, two hundred eighty-three thousand, one hundred three".