120185868 has 96 divisors (see below), whose sum is σ = 325059840. Its totient is φ = 34179840.

The previous prime is 120185861. The next prime is 120185881. The reversal of 120185868 is 868581021.

It is not an unprimeable number, because it can be changed into a prime (120185861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 433746 + ... + 434022.

It is an arithmetic number, because the mean of its divisors is an integer number (3386040).

Almost surely, 2^120185868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120185868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162529920).

120185868 is an abundant number, since it is smaller than the sum of its proper divisors (204873972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120185868 is a wasteful number, since it uses less digits than its factorization.

120185868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 39.

The square root of 120185868 is about 10962.9315422473. The cubic root of 120185868 is about 493.4969445564.

The spelling of 120185868 in words is "one hundred twenty million, one hundred eighty-five thousand, eight hundred sixty-eight".