120239285805 has 48 divisors (see below), whose sum is σ = 230269029120. Its totient is φ = 57731249664.

The previous prime is 120239285791. The next prime is 120239285807. The reversal of 120239285805 is 508582932021.

120239285805 is a `hidden beast` number, since 1 + 20 + 23 + 9 + 28 + 580 + 5 = 666.

It is not a de Polignac number, because 120239285805 - 2⁵ = 120239285773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120239285807) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3399265 + ... + 3434454.

It is an arithmetic number, because the mean of its divisors is an integer number (4797271440).

Almost surely, 2^120239285805 is an apocalyptic number.

120239285805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120239285805 is a deficient number, since it is larger than the sum of its proper divisors (110029743315).

120239285805 is a wasteful number, since it uses less digits than its factorization.

120239285805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6833770 (or 6833767 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 120239285805 in words is "one hundred twenty billion, two hundred thirty-nine million, two hundred eighty-five thousand, eight hundred five".