1131160 has 16 divisors (see below), whose sum is σ = 2545200. Its totient is φ = 452448.

The previous prime is 1131157. The next prime is 1131181. The reversal of 1131160 is 611311.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1131160.

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 3 ways as a sum of consecutive naturals, for example, 14100 + ... + 14179.

It is an arithmetic number, because the mean of its divisors is an integer number (159075).

2^1131160 is an apocalyptic number.

1131160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131160 is an abundant number, since it is smaller than the sum of its proper divisors (1414040).

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

1131160 is a wasteful number, since it uses less digits than its factorization.

1131160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28290 (or 28286 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1131160 is about 1063.5600594231. The cubic root of 1131160 is about 104.1936726423.

Adding to 1131160 its reverse (611311), we get a palindrome (1742471).

The spelling of 1131160 in words is "one million, one hundred thirty-one thousand, one hundred sixty".