120085081 has 4 divisors (see below), whose sum is σ = 120609700. Its totient is φ = 119560464.

The previous prime is 120085079. The next prime is 120085099. The reversal of 120085081 is 180580021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 80281600 + 39803481 = 8960^2 + 6309^2 .

It is a cyclic number.

It is not a de Polignac number, because 120085081 - 2¹ = 120085079 is a prime.

It is a super-2 number, since 2×120085081² = 28840853357553122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120085051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261966 + ... + 262423.

It is an arithmetic number, because the mean of its divisors is an integer number (30152425).

Almost surely, 2^120085081 is an apocalyptic number.

It is an amenable number.

120085081 is a deficient number, since it is larger than the sum of its proper divisors (524619).

120085081 is an equidigital number, since it uses as much as digits as its factorization.

120085081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524618.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 120085081 is about 10958.3338605830. Note that the first 3 decimals coincide. The cubic root of 120085081 is about 493.3589583212.

The spelling of 120085081 in words is "one hundred twenty million, eighty-five thousand, eighty-one".