1234003 has 2 divisors, whose sum is σ = 1234004. Its totient is φ = 1234002.

The previous prime is 1234001. The next prime is 1234039. The reversal of 1234003 is 3004321.

It is a weak prime.

It is an emirp because it is prime and its reverse (3004321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1234003 - 2¹ = 1234001 is a prime.

Together with 1234001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1234001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617001 + 617002.

It is an arithmetic number, because the mean of its divisors is an integer number (617002).

2^1234003 is an apocalyptic number.

1234003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234003 is an equidigital number, since it uses as much as digits as its factorization.

1234003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1234003 is about 1110.8568764697. The cubic root of 1234003 is about 107.2602336089.

Adding to 1234003 its reverse (3004321), we get a palindrome (4238324).

The spelling of 1234003 in words is "one million, two hundred thirty-four thousand, three".