120477380985 has 24 divisors (see below), whose sum is σ = 224891112264. Its totient is φ = 59311941120.

The previous prime is 120477380983. The next prime is 120477381001. The reversal of 120477380985 is 589083774021.

It is a happy number.

120477380985 is a `hidden beast` number, since 1 + 2 + 0 + 477 + 3 + 80 + 98 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12793645881 + 107683735104 = 113109^2 + 328152^2 .

It is not a de Polignac number, because 120477380985 - 2¹ = 120477380983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120477380983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102971536 + ... + 102972705.

It is an arithmetic number, because the mean of its divisors is an integer number (9370463011).

Almost surely, 2^120477380985 is an apocalyptic number.

120477380985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120477380985 is a deficient number, since it is larger than the sum of its proper divisors (104413731279).

120477380985 is a wasteful number, since it uses less digits than its factorization.

120477380985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205944265 (or 205944262 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 120477380985 in words is "one hundred twenty billion, four hundred seventy-seven million, three hundred eighty thousand, nine hundred eighty-five".