1132221120 has 112 divisors (see below), whose sum is σ = 3601943520. Its totient is φ = 301326336.

The previous prime is 1132221119. The next prime is 1132221121. The reversal of 1132221120 is 211222311.

It is an interprime number because it is at equal distance from previous prime (1132221119) and next prime (1132221121).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1132221120.

It is not an unprimeable number, because it can be changed into a prime (1132221121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702876 + ... + 704484.

It is an arithmetic number, because the mean of its divisors is an integer number (32160210).

Almost surely, 2^1132221120 is an apocalyptic number.

1132221120 is a gapful number since it is divisible by the number (10) 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 1132221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1800971760).

1132221120 is an abundant number, since it is smaller than the sum of its proper divisors (2469722400).

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

1132221120 is a wasteful number, since it uses less digits than its factorization.

1132221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362 (or 2352 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1132221120 is about 33648.4935769790. The cubic root of 1132221120 is about 1042.2624317049.

Adding to 1132221120 its reverse (211222311), we get a palindrome (1343443431).

The spelling of 1132221120 in words is "one billion, one hundred thirty-two million, two hundred twenty-one thousand, one hundred twenty".