120019287844 has 9 divisors (see below), whose sum is σ = 210034966267. Its totient is φ = 60009297484.

The previous prime is 120019287827. The next prime is 120019287859. The reversal of 120019287844 is 448782910021.

The square root of 120019287844 is 346438.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120019287794 and 120019287803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 606267 + ... + 779485.

Almost surely, 2^120019287844 is an apocalyptic number.

120019287844 is the 346438-th square number.

It is an amenable number.

120019287844 is a deficient number, since it is larger than the sum of its proper divisors (90015678423).

120019287844 is an frugal number, since it uses more digits than its factorization.

120019287844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346442 (or 173221 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 120019287844 in words is "one hundred twenty billion, nineteen million, two hundred eighty-seven thousand, eight hundred forty-four".