1131108 has 72 divisors (see below), whose sum is σ = 3128160. Its totient is φ = 316800.

The previous prime is 1131103. The next prime is 1131113. The reversal of 1131108 is 8011311.

It is an interprime number because it is at equal distance from previous prime (1131103) and next prime (1131113).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131103) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 27568 + ... + 27608.

2^1131108 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 1131108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1564080).

1131108 is an abundant number, since it is smaller than the sum of its proper divisors (1997052).

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

1131108 is a wasteful number, since it uses less digits than its factorization.

1131108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1131108 is about 1063.5356129439. The cubic root of 1131108 is about 104.1920760058.

Adding to 1131108 its reverse (8011311), we get a palindrome (9142419).

It can be divided in two parts, 113 and 1108, that added together give a palindrome (1221).

The spelling of 1131108 in words is "one million, one hundred thirty-one thousand, one hundred eight".