128373 has 8 divisors (see below), whose sum is σ = 195648. Its totient is φ = 73344.
The previous prime is 128351. The next prime is 128377. The reversal of 128373 is 373821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 128373 - 25 = 128341 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128377) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3036 + ... + 3077.
It is an arithmetic number, because the mean of its divisors is an integer number (24456).
2128373 is an apocalyptic number.
It is an amenable number.
128373 is a deficient number, since it is larger than the sum of its proper divisors (67275).
128373 is an equidigital number, since it uses as much as digits as its factorization.
128373 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6123.
The product of its digits is 1008, while the sum is 24.
The square root of 128373 is about 358.2917805365. The cubic root of 128373 is about 50.4457477042.
It can be divided in two parts, 12 and 8373, that added together give a triangular number (8385 = T129).
The spelling of 128373 in words is "one hundred twenty-eight thousand, three hundred seventy-three".
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