1073003 has 4 divisors (see below), whose sum is σ = 1107648. Its totient is φ = 1038360.

The previous prime is 1072999. The next prime is 1073053. The reversal of 1073003 is 3003701.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1073003 - 2² = 1072999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1073053) 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, 17276 + ... + 17337.

It is an arithmetic number, because the mean of its divisors is an integer number (276912).

2^1073003 is an apocalyptic number.

1073003 is a deficient number, since it is larger than the sum of its proper divisors (34645).

1073003 is an equidigital number, since it uses as much as digits as its factorization.

1073003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34644.

The product of its (nonzero) digits is 63, while the sum is 14.

The square root of 1073003 is about 1035.8585810814. The cubic root of 1073003 is about 102.3765080286.

Adding to 1073003 its reverse (3003701), we get a palindrome (4076704).

The spelling of 1073003 in words is "one million, seventy-three thousand, three".