128376 has 24 divisors (see below), whose sum is σ = 347880. Its totient is φ = 42768.
The previous prime is 128351. The next prime is 128377. The reversal of 128376 is 673821.
It is a tau number, because it is divible by the number of its divisors (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128377) by changing a digit.
128376 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 in 5 ways as a sum of consecutive naturals, for example, 820 + ... + 963.
It is an arithmetic number, because the mean of its divisors is an integer number (14495).
2128376 is an apocalyptic number.
It is an amenable number.
128376 is an abundant number, since it is smaller than the sum of its proper divisors (219504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128376 is a wasteful number, since it uses less digits than its factorization.
128376 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1795 (or 1788 counting only the distinct ones).
The product of its digits is 2016, while the sum is 27.
The square root of 128376 is about 358.2959670440. The cubic root of 128376 is about 50.4461406634.
The spelling of 128376 in words is "one hundred twenty-eight thousand, three hundred seventy-six".
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