128194 has 8 divisors (see below), whose sum is σ = 209808. Its totient is φ = 58260.

The previous prime is 128189. The next prime is 128201. The reversal of 128194 is 491821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2892 + ... + 2935.

It is an arithmetic number, because the mean of its divisors is an integer number (26226).

2¹²⁸¹⁹⁴ is an apocalyptic number.

128194 is a deficient number, since it is larger than the sum of its proper divisors (81614).

128194 is a wasteful number, since it uses less digits than its factorization.

128194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5840.

The product of its digits is 576, while the sum is 25.

The square root of 128194 is about 358.0418969897. The cubic root of 128194 is about 50.4222900481.

The spelling of 128194 in words is "one hundred twenty-eight thousand, one hundred ninety-four".