115987183 has 8 divisors (see below), whose sum is σ = 130340448. Its totient is φ = 102409824.

The previous prime is 115987181. The next prime is 115987199. The reversal of 115987183 is 381789511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115987183 - 2¹ = 115987181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115987181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193660 + ... + 194257.

It is an arithmetic number, because the mean of its divisors is an integer number (16292556).

Almost surely, 2^115987183 is an apocalyptic number.

115987183 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

115987183 is a deficient number, since it is larger than the sum of its proper divisors (14353265).

115987183 is a wasteful number, since it uses less digits than its factorization.

115987183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387953.

The product of its digits is 60480, while the sum is 43.

The square root of 115987183 is about 10769.7345835448. The cubic root of 115987183 is about 487.6819332343.

It can be divided in two parts, 11598 and 7183, that added together give a palindrome (18781).

The spelling of 115987183 in words is "one hundred fifteen million, nine hundred eighty-seven thousand, one hundred eighty-three".