120388503847 has 4 divisors (see below), whose sum is σ = 122185347256. Its totient is φ = 118591660440.

The previous prime is 120388503797. The next prime is 120388503887. The reversal of 120388503847 is 748305883021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120388503847 - 2¹⁵ = 120388471079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120388503847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120388503887) 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 3 ways as a sum of consecutive naturals, for example, 898421604 + ... + 898421737.

It is an arithmetic number, because the mean of its divisors is an integer number (30546336814).

Almost surely, 2^120388503847 is an apocalyptic number.

120388503847 is a deficient number, since it is larger than the sum of its proper divisors (1796843409).

120388503847 is an equidigital number, since it uses as much as digits as its factorization.

120388503847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796843408.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 120388503847 in words is "one hundred twenty billion, three hundred eighty-eight million, five hundred three thousand, eight hundred forty-seven".