120243228 has 24 divisors (see below), whose sum is σ = 320648832. Its totient is φ = 34355184.

The previous prime is 120243223. The next prime is 120243247. The reversal of 120243228 is 822342021.

It is a junction number, because it is equal to n+sod(n) for n = 120243198 and 120243207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120243223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715650 + ... + 715817.

It is an arithmetic number, because the mean of its divisors is an integer number (13360368).

Almost surely, 2^120243228 is an apocalyptic number.

It is an amenable number.

120243228 is an abundant number, since it is smaller than the sum of its proper divisors (200405604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120243228 is a wasteful number, since it uses less digits than its factorization.

120243228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431481 (or 1431479 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 120243228 is about 10965.5473187616. The cubic root of 120243228 is about 493.5754409807.

Adding to 120243228 its reverse (822342021), we get a palindrome (942585249).

The spelling of 120243228 in words is "one hundred twenty million, two hundred forty-three thousand, two hundred twenty-eight".