1133580 has 48 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 259008.

The previous prime is 1133579. The next prime is 1133591. The reversal of 1133580 is 853311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 930 + ... + 1769.

It is an arithmetic number, because the mean of its divisors is an integer number (75600).

2^1133580 is an apocalyptic number.

1133580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133580 is an abundant number, since it is smaller than the sum of its proper divisors (2495220).

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

1133580 is a wasteful number, since it uses less digits than its factorization.

1133580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718 (or 2716 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1133580 is about 1064.6971400356. The cubic root of 1133580 is about 104.2679235841.

Adding to 1133580 its reverse (853311), we get a palindrome (1986891).

The spelling of 1133580 in words is "one million, one hundred thirty-three thousand, five hundred eighty".