1133556 has 12 divisors (see below), whose sum is σ = 2644992. Its totient is φ = 377848.

The previous prime is 1133551. The next prime is 1133579. The reversal of 1133556 is 6553311.

It is a tau number, because it is divible by the number of its divisors (12).

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47220 + ... + 47243.

It is an arithmetic number, because the mean of its divisors is an integer number (220416).

2^1133556 is an apocalyptic number.

It is an amenable number.

1133556 is an abundant number, since it is smaller than the sum of its proper divisors (1511436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1133556 is a wasteful number, since it uses less digits than its factorization.

1133556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94470 (or 94468 counting only the distinct ones).

The product of its digits is 1350, while the sum is 24.

The square root of 1133556 is about 1064.6858691652. The cubic root of 1133556 is about 104.2671877302.

Adding to 1133556 its reverse (6553311), we get a palindrome (7686867).

The spelling of 1133556 in words is "one million, one hundred thirty-three thousand, five hundred fifty-six".