128852 has 6 divisors (see below), whose sum is σ = 225498. Its totient is φ = 64424.
The previous prime is 128837. The next prime is 128857. The reversal of 128852 is 258821.
It can be written as a sum of positive squares in only one way, i.e., 126736 + 2116 = 356^2 + 46^2 .
It is a plaindrome in base 11.
It is a zygodrome in base 11.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128857) by changing a digit.
128852 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16103 + ... + 16110.
It is an arithmetic number, because the mean of its divisors is an integer number (37583).
2128852 is an apocalyptic number.
It is an amenable number.
128852 is a deficient number, since it is larger than the sum of its proper divisors (96646).
128852 is a wasteful number, since it uses less digits than its factorization.
128852 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32217 (or 32215 counting only the distinct ones).
The product of its digits is 1280, while the sum is 26.
The square root of 128852 is about 358.9596077555. The cubic root of 128852 is about 50.5084128062.
The spelling of 128852 in words is "one hundred twenty-eight thousand, eight hundred fifty-two".
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