115132387 has 4 divisors (see below), whose sum is σ = 117940536. Its totient is φ = 112324240.

The previous prime is 115132351. The next prime is 115132397. The reversal of 115132387 is 783231511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115132387 - 2¹¹ = 115130339 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115132327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404013 + ... + 1404094.

It is an arithmetic number, because the mean of its divisors is an integer number (29485134).

Almost surely, 2^115132387 is an apocalyptic number.

115132387 is a deficient number, since it is larger than the sum of its proper divisors (2808149).

115132387 is an equidigital number, since it uses as much as digits as its factorization.

115132387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808148.

The product of its digits is 5040, while the sum is 31.

The square root of 115132387 is about 10729.9760950339. The cubic root of 115132387 is about 486.4809475154.

Adding to 115132387 its reverse (783231511), we get a palindrome (898363898).

The spelling of 115132387 in words is "one hundred fifteen million, one hundred thirty-two thousand, three hundred eighty-seven".