1135503 has 12 divisors (see below), whose sum is σ = 1664208. Its totient is φ = 745920.

The previous prime is 1135483. The next prime is 1135513. The reversal of 1135503 is 3055311.

It is a happy number.

1135503 is a `hidden beast` number, since 113 + 550 + 3 = 666.

It is not a de Polignac number, because 1135503 - 2⁶ = 1135439 is a prime.

1135503 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135513) 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 11 ways as a sum of consecutive naturals, for example, 250 + ... + 1527.

It is an arithmetic number, because the mean of its divisors is an integer number (138684).

2^1135503 is an apocalyptic number.

1135503 is a deficient number, since it is larger than the sum of its proper divisors (528705).

1135503 is a wasteful number, since it uses less digits than its factorization.

1135503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854 (or 1851 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 1135503 is about 1065.5998310811. The cubic root of 1135503 is about 104.3268501542.

The spelling of 1135503 in words is "one million, one hundred thirty-five thousand, five hundred three".