1131368 has 32 divisors (see below), whose sum is σ = 2462400. Its totient is φ = 477312.

The previous prime is 1131353. The next prime is 1131379. The reversal of 1131368 is 8631311.

It is a plaindrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4871 + ... + 5097.

It is an arithmetic number, because the mean of its divisors is an integer number (76950).

2^1131368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1231200).

1131368 is an abundant number, since it is smaller than the sum of its proper divisors (1331032).

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

1131368 is a wasteful number, since it uses less digits than its factorization.

1131368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 325 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 1131368 is about 1063.6578397210. The cubic root of 1131368 is about 104.2000586990.

Adding to 1131368 its reverse (8631311), we get a palindrome (9762679).

The spelling of 1131368 in words is "one million, one hundred thirty-one thousand, three hundred sixty-eight".