1191132 has 48 divisors (see below), whose sum is σ = 3175200. Its totient is φ = 385920.

The previous prime is 1191131. The next prime is 1191149. The reversal of 1191132 is 2311911.

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

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1191131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4294 + ... + 4562.

It is an arithmetic number, because the mean of its divisors is an integer number (66150).

2^1191132 is an apocalyptic number.

1191132 is a gapful number since it is divisible by the number (12) 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 1191132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1587600).

1191132 is an abundant number, since it is smaller than the sum of its proper divisors (1984068).

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

1191132 is a wasteful number, since it uses less digits than its factorization.

With its successor (1191133) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (323).

1191132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 315 counting only the distinct ones).

The product of its digits is 54, while the sum is 18.

The square root of 1191132 is about 1091.3899394808. The cubic root of 1191132 is about 106.0034412079.

The spelling of 1191132 in words is "one million, one hundred ninety-one thousand, one hundred thirty-two".