115487 has 4 divisors (see below), whose sum is σ = 117720. Its totient is φ = 113256.

The previous prime is 115471. The next prime is 115499. The reversal of 115487 is 784511.

115487 is nontrivially palindromic in base 15.

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 115487 - 2⁴ = 115471 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1037 + ... + 1142.

It is an arithmetic number, because the mean of its divisors is an integer number (29430).

2¹¹⁵⁴⁸⁷ is an apocalyptic number.

115487 is a deficient number, since it is larger than the sum of its proper divisors (2233).

115487 is an equidigital number, since it uses as much as digits as its factorization.

115487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232.

The product of its digits is 1120, while the sum is 26.

The square root of 115487 is about 339.8337828998. The cubic root of 115487 is about 48.6979896768.

Adding to 115487 its reverse (784511), we get a palindrome (899998).

The spelling of 115487 in words is "one hundred fifteen thousand, four hundred eighty-seven".