128067 has 4 divisors (see below), whose sum is σ = 170760. Its totient is φ = 85376.

The previous prime is 128053. The next prime is 128099. The reversal of 128067 is 760821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 760821 = 3 ⋅253607.

It is a cyclic number.

It is not a de Polignac number, because 128067 - 2¹¹ = 126019 is a prime.

It is a D-number.

128067 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (128047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21342 + ... + 21347.

It is an arithmetic number, because the mean of its divisors is an integer number (42690).

2¹²⁸⁰⁶⁷ is an apocalyptic number.

128067 is a deficient number, since it is larger than the sum of its proper divisors (42693).

128067 is an equidigital number, since it uses as much as digits as its factorization.

128067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42692.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 128067 is about 357.8644994967. The cubic root of 128067 is about 50.4056336610.

Adding to 128067 its reverse (760821), we get a palindrome (888888).

The spelling of 128067 in words is "one hundred twenty-eight thousand, sixty-seven".