120278860 has 48 divisors (see below), whose sum is σ = 279389376. Its totient is φ = 43206912.

The previous prime is 120278857. The next prime is 120278861. The reversal of 120278860 is 68872021.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (120278861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3369 + ... + 15871.

It is an arithmetic number, because the mean of its divisors is an integer number (5820612).

Almost surely, 2^120278860 is an apocalyptic number.

120278860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120278860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139694688).

120278860 is an abundant number, since it is smaller than the sum of its proper divisors (159110516).

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

120278860 is a wasteful number, since it uses less digits than its factorization.

120278860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12562 (or 12560 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 120278860 is about 10967.1719235179. The cubic root of 120278860 is about 493.6241903461.

The spelling of 120278860 in words is "one hundred twenty million, two hundred seventy-eight thousand, eight hundred sixty".