1083003 has 4 divisors (see below), whose sum is σ = 1444008. Its totient is φ = 722000.

The previous prime is 1082999. The next prime is 1083007. The reversal of 1083003 is 3003801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3003801 = 3 ⋅1001267.

It is an interprime number because it is at equal distance from previous prime (1082999) and next prime (1083007).

It is a cyclic number.

It is not a de Polignac number, because 1083003 - 2² = 1082999 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1083007) 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, 180498 + ... + 180503.

It is an arithmetic number, because the mean of its divisors is an integer number (361002).

2^1083003 is an apocalyptic number.

1083003 is a deficient number, since it is larger than the sum of its proper divisors (361005).

1083003 is an equidigital number, since it uses as much as digits as its factorization.

1083003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361004.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1083003 is about 1040.6743006340. The cubic root of 1083003 is about 102.6935624611.

Adding to 1083003 its reverse (3003801), we get a palindrome (4086804).

It can be divided in two parts, 108300 and 3, that multiplied together give a square (324900 = 570²).

The spelling of 1083003 in words is "one million, eighty-three thousand, three".