120040443 has 24 divisors (see below), whose sum is σ = 175640400. Its totient is φ = 78997824.

The previous prime is 120040439. The next prime is 120040457. The reversal of 120040443 is 344040021.

It is not a de Polignac number, because 120040443 - 2² = 120040439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120040433) 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 23 ways as a sum of consecutive naturals, for example, 433221 + ... + 433497.

It is an arithmetic number, because the mean of its divisors is an integer number (7318350).

Almost surely, 2^120040443 is an apocalyptic number.

120040443 is a deficient number, since it is larger than the sum of its proper divisors (55599957).

120040443 is a wasteful number, since it uses less digits than its factorization.

120040443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 120040443 is about 10956.2969565451. The cubic root of 120040443 is about 493.2978203172.

Adding to 120040443 its reverse (344040021), we get a palindrome (464080464).

The spelling of 120040443 in words is "one hundred twenty million, forty thousand, four hundred forty-three".