1131102 has 48 divisors (see below), whose sum is σ = 2875392. Its totient is φ = 314640.

The previous prime is 1131083. The next prime is 1131103. The reversal of 1131102 is 2011311.

It is a Harshad number since it is a multiple of its sum of digits (9).

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5827 + ... + 6017.

It is an arithmetic number, because the mean of its divisors is an integer number (59904).

2^1131102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1437696).

1131102 is an abundant number, since it is smaller than the sum of its proper divisors (1744290).

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

1131102 is a wasteful number, since it uses less digits than its factorization.

1131102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1131102 is about 1063.5327921602. The cubic root of 1131102 is about 104.1918917754.

Adding to 1131102 its reverse (2011311), we get a palindrome (3142413).

It can be divided in two parts, 11 and 31102, that added together give a palindrome (31113).

The spelling of 1131102 in words is "one million, one hundred thirty-one thousand, one hundred two".