1132113220 has 24 divisors (see below), whose sum is σ = 2717072064. Its totient is φ = 388153056.

The previous prime is 1132113217. The next prime is 1132113239. The reversal of 1132113220 is 223112311.

It is a junction number, because it is equal to n+sod(n) for n = 1132113194 and 1132113203.

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, 4043122 + ... + 4043401.

It is an arithmetic number, because the mean of its divisors is an integer number (113211336).

Almost surely, 2^1132113220 is an apocalyptic number.

1132113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1132113220 is an abundant number, since it is smaller than the sum of its proper divisors (1584958844).

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

1132113220 is a wasteful number, since it uses less digits than its factorization.

1132113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8086539 (or 8086537 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1132113220 is about 33646.8901980555. The cubic root of 1132113220 is about 1042.2293216563.

Adding to 1132113220 its reverse (223112311), we get a palindrome (1355225531).

Subtracting from 1132113220 its reverse (223112311), we obtain a palindrome (909000909).

The spelling of 1132113220 in words is "one billion, one hundred thirty-two million, one hundred thirteen thousand, two hundred twenty".