120444543 has 8 divisors (see below), whose sum is σ = 178436400. Its totient is φ = 80296344.

The previous prime is 120444523. The next prime is 120444557. The reversal of 120444543 is 345444021.

It is a happy number.

120444543 is a `hidden beast` number, since 1 + 204 + 4 + 454 + 3 = 666.

It is not a de Polignac number, because 120444543 - 2¹² = 120440447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4460909 = 120444543 / (1 + 2 + 0 + 4 + 4 + 4 + 5 + 4 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120444523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2230428 + ... + 2230481.

It is an arithmetic number, because the mean of its divisors is an integer number (22304550).

Almost surely, 2^120444543 is an apocalyptic number.

120444543 is a deficient number, since it is larger than the sum of its proper divisors (57991857).

120444543 is an equidigital number, since it uses as much as digits as its factorization.

120444543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4460918 (or 4460912 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 120444543 is about 10974.7229122197. The cubic root of 120444543 is about 493.8507405831.

Adding to 120444543 its reverse (345444021), we get a palindrome (465888564).

The spelling of 120444543 in words is "one hundred twenty million, four hundred forty-four thousand, five hundred forty-three".