1132241220 has 96 divisors (see below), whose sum is σ = 3842778240. Its totient is φ = 274481280.

The previous prime is 1132241207. The next prime is 1132241239. The reversal of 1132241220 is 221422311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1132241193 and 1132241202.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 89367 + ... + 101246.

It is an arithmetic number, because the mean of its divisors is an integer number (40028940).

Almost surely, 2^1132241220 is an apocalyptic number.

1132241220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1132241220 is an abundant number, since it is smaller than the sum of its proper divisors (2710537020).

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

1132241220 is a wasteful number, since it uses less digits than its factorization.

1132241220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190642 (or 190634 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1132241220 is about 33648.7922517287. The cubic root of 1132241220 is about 1042.2685993314.

Adding to 1132241220 its reverse (221422311), we get a palindrome (1353663531).

The spelling of 1132241220 in words is "one billion, one hundred thirty-two million, two hundred forty-one thousand, two hundred twenty".