120243544 has 16 divisors (see below), whose sum is σ = 232729920. Its totient is φ = 58182240.

The previous prime is 120243527. The next prime is 120243551. The reversal of 120243544 is 445342021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242179 + ... + 242674.

It is an arithmetic number, because the mean of its divisors is an integer number (14545620).

Almost surely, 2^120243544 is an apocalyptic number.

It is an amenable number.

120243544 is a deficient number, since it is larger than the sum of its proper divisors (112486376).

120243544 is a wasteful number, since it uses less digits than its factorization.

120243544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484890 (or 484886 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 120243544 is about 10965.5617275177. The cubic root of 120243544 is about 493.5758733535.

Adding to 120243544 its reverse (445342021), we get a palindrome (565585565).

The spelling of 120243544 in words is "one hundred twenty million, two hundred forty-three thousand, five hundred forty-four".