1133320 has 32 divisors (see below), whose sum is σ = 2640600. Its totient is φ = 437248.

The previous prime is 1133317. The next prime is 1133333. The reversal of 1133320 is 233311.

1133320 = T₇₃ + T₇₄ + ... + T₁₉₂.

It can be written as a sum of positive squares in 4 ways, for example, as 1094116 + 39204 = 1046^2 + 198^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1133320.

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 7 ways as a sum of consecutive naturals, for example, 672 + ... + 1648.

2^1133320 is an apocalyptic number.

1133320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1133320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1320300).

1133320 is an abundant number, since it is smaller than the sum of its proper divisors (1507280).

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

1133320 is a wasteful number, since it uses less digits than its factorization.

1133320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017 (or 1013 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1133320 is about 1064.5750325834. The cubic root of 1133320 is about 104.2599512801.

Adding to 1133320 its reverse (233311), we get a palindrome (1366631).

Subtracting from 1133320 its reverse (233311), we obtain a palindrome (900009).

The spelling of 1133320 in words is "one million, one hundred thirty-three thousand, three hundred twenty".