120243 has 8 divisors (see below), whose sum is σ = 162000. Its totient is φ = 79328.

The previous prime is 120233. The next prime is 120247. The reversal of 120243 is 342021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120247) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 313 + ... + 581.

It is an arithmetic number, because the mean of its divisors is an integer number (20250).

2¹²⁰²⁴³ is an apocalyptic number.

120243 is a deficient number, since it is larger than the sum of its proper divisors (41757).

120243 is a wasteful number, since it uses less digits than its factorization.

120243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 120243 is about 346.7607244196. The cubic root of 120243 is about 49.3575129015.

Adding to 120243 its reverse (342021), we get a palindrome (462264).

It can be divided in two parts, 120 and 243, that added together give a palindrome (363).

The spelling of 120243 in words is "one hundred twenty thousand, two hundred forty-three", and thus it is an iban number.