1133680 has 40 divisors (see below), whose sum is σ = 2714112. Its totient is φ = 440064.

The previous prime is 1133677. The next prime is 1133681. The reversal of 1133680 is 863311.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2769 + ... + 3151.

2^1133680 is an apocalyptic number.

1133680 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 1133680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1357056).

1133680 is an abundant number, since it is smaller than the sum of its proper divisors (1580432).

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

1133680 is a wasteful number, since it uses less digits than its factorization.

1133680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1133680 is about 1064.7441007115. The cubic root of 1133680 is about 104.2709895303.

Adding to 1133680 its reverse (863311), we get a palindrome (1996991).

The spelling of 1133680 in words is "one million, one hundred thirty-three thousand, six hundred eighty".