120666800 has 60 divisors (see below), whose sum is σ = 294873240. Its totient is φ = 47439360.

The previous prime is 120666797. The next prime is 120666803. The reversal of 120666800 is 8666021.

It is an interprime number because it is at equal distance from previous prime (120666797) and next prime (120666803).

It is not an unprimeable number, because it can be changed into a prime (120666803) 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 11 ways as a sum of consecutive naturals, for example, 21044 + ... + 26156.

It is an arithmetic number, because the mean of its divisors is an integer number (4914554).

Almost surely, 2^120666800 is an apocalyptic number.

120666800 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 120666800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147436620).

120666800 is an abundant number, since it is smaller than the sum of its proper divisors (174206440).

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

120666800 is a wasteful number, since it uses less digits than its factorization.

120666800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5190 (or 5179 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 120666800 is about 10984.8441044923. The cubic root of 120666800 is about 494.1543224523.

The spelling of 120666800 in words is "one hundred twenty million, six hundred sixty-six thousand, eight hundred".