120243218 has 8 divisors (see below), whose sum is σ = 188206848. Its totient is φ = 57507604.

The previous prime is 120243217. The next prime is 120243223. The reversal of 120243218 is 812342021.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 120243193 and 120243202.

It is not an unprimeable number, because it can be changed into a prime (120243217) 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 3 ways as a sum of consecutive naturals, for example, 1306946 + ... + 1307037.

It is an arithmetic number, because the mean of its divisors is an integer number (23525856).

Almost surely, 2^120243218 is an apocalyptic number.

120243218 is a deficient number, since it is larger than the sum of its proper divisors (67963630).

120243218 is a wasteful number, since it uses less digits than its factorization.

120243218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614008.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 120243218 is about 10965.5468627880. The cubic root of 120243218 is about 493.5754272980.

Adding to 120243218 its reverse (812342021), we get a palindrome (932585239).

The spelling of 120243218 in words is "one hundred twenty million, two hundred forty-three thousand, two hundred eighteen".