1181160 has 96 divisors (see below), whose sum is σ = 4085640. Its totient is φ = 294912.

The previous prime is 1181153. The next prime is 1181171. The reversal of 1181160 is 611811.

It can be written as a sum of positive squares in 4 ways, for example, as 956484 + 224676 = 978^2 + 474^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6024 + ... + 6216.

2^1181160 is an apocalyptic number.

1181160 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 1181160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2042820).

1181160 is an abundant number, since it is smaller than the sum of its proper divisors (2904480).

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

1181160 is a wasteful number, since it uses less digits than its factorization.

1181160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

The square root of 1181160 is about 1086.8118512420. The cubic root of 1181160 is about 105.7067962276.

Adding to 1181160 its reverse (611811), we get a palindrome (1792971).

The spelling of 1181160 in words is "one million, one hundred eighty-one thousand, one hundred sixty".