1133503 has 8 divisors (see below), whose sum is σ = 1307808. Its totient is φ = 962304.

The previous prime is 1133501. The next prime is 1133507. The reversal of 1133503 is 3053311.

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

It is not a de Polignac number, because 1133503 - 2¹ = 1133501 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75 + ... + 1507.

It is an arithmetic number, because the mean of its divisors is an integer number (163476).

2^1133503 is an apocalyptic number.

1133503 is a deficient number, since it is larger than the sum of its proper divisors (174305).

1133503 is a wasteful number, since it uses less digits than its factorization.

1133503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553.

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 1133503 is about 1064.6609789036. The cubic root of 1133503 is about 104.2655626827.

Adding to 1133503 its reverse (3053311), we get a palindrome (4186814).

The spelling of 1133503 in words is "one million, one hundred thirty-three thousand, five hundred three".