120144243 has 8 divisors (see below), whose sum is σ = 162122688. Its totient is φ = 79130984.

The previous prime is 120144221. The next prime is 120144257. The reversal of 120144243 is 342441021.

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

It is a cyclic number.

It is not a de Polignac number, because 120144243 - 2⁶ = 120144179 is a prime.

It is a super-5 number, since 5×120144243⁵ (a number of 42 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (120144443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 241005 + ... + 241502.

It is an arithmetic number, because the mean of its divisors is an integer number (20265336).

Almost surely, 2^120144243 is an apocalyptic number.

120144243 is a deficient number, since it is larger than the sum of its proper divisors (41978445).

120144243 is an equidigital number, since it uses as much as digits as its factorization.

120144243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482593.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 120144243 is about 10961.0329349017. The cubic root of 120144243 is about 493.4399656381.

Adding to 120144243 its reverse (342441021), we get a palindrome (462585264).

The spelling of 120144243 in words is "one hundred twenty million, one hundred forty-four thousand, two hundred forty-three".