120065 has 16 divisors (see below), whose sum is σ = 164160. Its totient is φ = 83520.

The previous prime is 120049. The next prime is 120067. The reversal of 120065 is 560021.

120065 is nontrivially palindromic in base 12.

It is not a de Polignac number, because 120065 - 2⁴ = 120049 is a prime.

120065 is an undulating number in base 12.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2006 + ... + 2064.

It is an arithmetic number, because the mean of its divisors is an integer number (10260).

2¹²⁰⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

120065 is a deficient number, since it is larger than the sum of its proper divisors (44095).

120065 is a wasteful number, since it uses less digits than its factorization.

120065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 120065 is about 346.5039682312. The cubic root of 120065 is about 49.3331456449. Note that the first 3 decimals are identical.

Adding to 120065 its reverse (560021), we get a palindrome (680086).

The spelling of 120065 in words is "one hundred twenty thousand, sixty-five".