115087 has 8 divisors (see below), whose sum is σ = 135072. Its totient is φ = 96000.
The previous prime is 115079. The next prime is 115099. The reversal of 115087 is 780511.
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 115087 - 23 = 115079 is a prime.
It is an Ulam number.
115087 is a lucky number.
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 (115057) 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, 87 + ... + 487.
It is an arithmetic number, because the mean of its divisors is an integer number (16884).
2115087 is an apocalyptic number.
115087 is a deficient number, since it is larger than the sum of its proper divisors (19985).
115087 is an equidigital number, since it uses as much as digits as its factorization.
115087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 449.
The product of its (nonzero) digits is 280, while the sum is 22.
The square root of 115087 is about 339.2447494067. The cubic root of 115087 is about 48.6417012963.
Adding to 115087 its reverse (780511), we get a palindrome (895598).
The spelling of 115087 in words is "one hundred fifteen thousand, eighty-seven".
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