115232320 has 84 divisors (see below), whose sum is σ = 319239900. Its totient is φ = 39502848.

The previous prime is 115232317. The next prime is 115232329. The reversal of 115232320 is 23232511.

It can be written as a sum of positive squares in 2 ways, for example, as 60590656 + 54641664 = 7784^2 + 7392^2 .

It is not an unprimeable number, because it can be changed into a prime (115232329) 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 11 ways as a sum of consecutive naturals, for example, 12006 + ... + 19354.

It is an arithmetic number, because the mean of its divisors is an integer number (3800475).

Almost surely, 2^115232320 is an apocalyptic number.

115232320 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 115232320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159619950).

115232320 is an abundant number, since it is smaller than the sum of its proper divisors (204007580).

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

115232320 is an equidigital number, since it uses as much as digits as its factorization.

115232320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7380 (or 7363 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 115232320 is about 10734.6318055162. The cubic root of 115232320 is about 486.6216592727.

Adding to 115232320 its reverse (23232511), we get a palindrome (138464831).

The spelling of 115232320 in words is "one hundred fifteen million, two hundred thirty-two thousand, three hundred twenty".