128196 has 24 divisors (see below), whose sum is σ = 332640. Its totient is φ = 42696.
The previous prime is 128189. The next prime is 128201. The reversal of 128196 is 691821.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
128196 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486 + ... + 701.
It is an arithmetic number, because the mean of its divisors is an integer number (13860).
2128196 is an apocalyptic number.
It is an amenable number.
128196 is an abundant number, since it is smaller than the sum of its proper divisors (204444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128196 is a wasteful number, since it uses less digits than its factorization.
128196 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1200 (or 1192 counting only the distinct ones).
The product of its digits is 864, while the sum is 27.
The square root of 128196 is about 358.0446899481. The cubic root of 128196 is about 50.4225522654.
It can be divided in two parts, 128 and 196, that added together give a square (324 = 182).
The spelling of 128196 in words is "one hundred twenty-eight thousand, one hundred ninety-six".
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