1133559 has 24 divisors (see below), whose sum is σ = 1971840. Its totient is φ = 613008.

The previous prime is 1133551. The next prime is 1133579. The reversal of 1133559 is 9553311.

It is not a de Polignac number, because 1133559 - 2³ = 1133551 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133551) 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 23 ways as a sum of consecutive naturals, for example, 724 + ... + 1670.

It is an arithmetic number, because the mean of its divisors is an integer number (82160).

2^1133559 is an apocalyptic number.

1133559 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1133559 is a deficient number, since it is larger than the sum of its proper divisors (838281).

1133559 is a wasteful number, since it uses less digits than its factorization.

1133559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979 (or 976 counting only the distinct ones).

The product of its digits is 2025, while the sum is 27.

The square root of 1133559 is about 1064.6872780305. The cubic root of 1133559 is about 104.2672797125.

The spelling of 1133559 in words is "one million, one hundred thirty-three thousand, five hundred fifty-nine".