115225 has 12 divisors (see below), whose sum is σ = 156240. Its totient is φ = 83600.
The previous prime is 115223. The next prime is 115237. The reversal of 115225 is 522511.
It is not a de Polignac number, because 115225 - 21 = 115223 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 115199 and 115208.
It is not an unprimeable number, because it can be changed into a prime (115223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66 + ... + 484.
It is an arithmetic number, because the mean of its divisors is an integer number (13020).
2115225 is an apocalyptic number.
It is an amenable number.
115225 is a deficient number, since it is larger than the sum of its proper divisors (41015).
115225 is a wasteful number, since it uses less digits than its factorization.
115225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 440 (or 435 counting only the distinct ones).
The product of its digits is 100, while the sum is 16.
The square root of 115225 is about 339.4480814499. The cubic root of 115225 is about 48.6611355028.
Adding to 115225 its reverse (522511), we get a palindrome (637736).
It can be divided in two parts, 11 and 5225, that multiplied together give a palindrome (57475).
The spelling of 115225 in words is "one hundred fifteen thousand, two hundred twenty-five".
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