120215 has 4 divisors (see below), whose sum is σ = 144264. Its totient is φ = 96168.

The previous prime is 120209. The next prime is 120223. The reversal of 120215 is 512021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120215 - 2⁴ = 120199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120196 and 120205.

It is a congruent number.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 12017 + ... + 12026.

It is an arithmetic number, because the mean of its divisors is an integer number (36066).

2¹²⁰²¹⁵ is an apocalyptic number.

120215 is a deficient number, since it is larger than the sum of its proper divisors (24049).

120215 is an equidigital number, since it uses as much as digits as its factorization.

120215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24048.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 120215 is about 346.7203484078. The cubic root of 120215 is about 49.3536814445.

Adding to 120215 its reverse (512021), we get a palindrome (632236).

The spelling of 120215 in words is "one hundred twenty thousand, two hundred fifteen".