1071003 has 8 divisors (see below), whose sum is σ = 1446400. Its totient is φ = 704808.

The previous prime is 1070987. The next prime is 1071023. The reversal of 1071003 is 3001701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1071003 - 2⁴ = 1070987 is a prime.

It is a super-2 number, since 2×1071003² = 2294094852018, which contains 22 as substring.

It is a Duffinian number.

1071003 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1071003.

It is not an unprimeable number, because it can be changed into a prime (1071023) 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 7 ways as a sum of consecutive naturals, for example, 2023 + ... + 2496.

It is an arithmetic number, because the mean of its divisors is an integer number (180800).

2^1071003 is an apocalyptic number.

1071003 is a deficient number, since it is larger than the sum of its proper divisors (375397).

1071003 is an equidigital number, since it uses as much as digits as its factorization.

1071003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4601.

The product of its (nonzero) digits is 21, while the sum is 12.

The square root of 1071003 is about 1034.8927480662. The cubic root of 1071003 is about 102.3128609984.

Adding to 1071003 its reverse (3001701), we get a palindrome (4072704).

The spelling of 1071003 in words is "one million, seventy-one thousand, three".