120771860 has 24 divisors (see below), whose sum is σ = 276677856. Its totient is φ = 43916960.

The previous prime is 120771851. The next prime is 120771883. The reversal of 120771860 is 68177021.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 274262 + ... + 274701.

It is an arithmetic number, because the mean of its divisors is an integer number (11528244).

Almost surely, 2^120771860 is an apocalyptic number.

120771860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120771860 is an abundant number, since it is smaller than the sum of its proper divisors (155905996).

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

120771860 is a wasteful number, since it uses less digits than its factorization.

120771860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548983 (or 548981 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 120771860 is about 10989.6251073456. The cubic root of 120771860 is about 494.2976946511.

The spelling of 120771860 in words is "one hundred twenty million, seven hundred seventy-one thousand, eight hundred sixty".