1072003 has 4 divisors (see below), whose sum is σ = 1135080. Its totient is φ = 1008928.

The previous prime is 1071991. The next prime is 1072009. The reversal of 1072003 is 3002701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3002701 = 13 ⋅230977.

It is a cyclic number.

It is not a de Polignac number, because 1072003 - 2¹⁷ = 940931 is a prime.

It is a super-2 number, since 2×1072003² = 2298380864018, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1072009) 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, 31513 + ... + 31546.

It is an arithmetic number, because the mean of its divisors is an integer number (283770).

2^1072003 is an apocalyptic number.

1072003 is a deficient number, since it is larger than the sum of its proper divisors (63077).

1072003 is an equidigital number, since it uses as much as digits as its factorization.

1072003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63076.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 1072003 is about 1035.3757771940. The cubic root of 1072003 is about 102.3446944089.

Adding to 1072003 its reverse (3002701), we get a palindrome (4074704).

The spelling of 1072003 in words is "one million, seventy-two thousand, three".