112487 has 4 divisors (see below), whose sum is σ = 113256. Its totient is φ = 111720.
The previous prime is 112481. The next prime is 112501. The reversal of 112487 is 784211.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-112487 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (112481) 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, 89 + ... + 482.
It is an arithmetic number, because the mean of its divisors is an integer number (28314).
2112487 is an apocalyptic number.
112487 is a deficient number, since it is larger than the sum of its proper divisors (769).
112487 is an equidigital number, since it uses as much as digits as its factorization.
112487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 768.
The product of its digits is 448, while the sum is 23.
The square root of 112487 is about 335.3908168093. The cubic root of 112487 is about 48.2726096976.
Adding to 112487 its reverse (784211), we get a palindrome (896698).
The spelling of 112487 in words is "one hundred twelve thousand, four hundred eighty-seven".
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