120501183983785 has 24 divisors (see below), whose sum is σ = 159300843589440. Its totient is φ = 87439397828640.

The previous prime is 120501183983759. The next prime is 120501183983827. The reversal of 120501183983785 is 587389381105021.

It is a happy number.

It is not a de Polignac number, because 120501183983785 - 2¹⁵ = 120501183951017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224535045 + ... + 225071074.

It is an arithmetic number, because the mean of its divisors is an integer number (6637535149560).

Almost surely, 2^{120501183983785} is an apocalyptic number.

It is an amenable number.

120501183983785 is a deficient number, since it is larger than the sum of its proper divisors (38799659605655).

120501183983785 is a wasteful number, since it uses less digits than its factorization.

120501183983785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449606589 (or 449606578 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 61.

The spelling of 120501183983785 in words is "one hundred twenty trillion, five hundred one billion, one hundred eighty-three million, nine hundred eighty-three thousand, seven hundred eighty-five".