120804240 has 40 divisors (see below), whose sum is σ = 374493888. Its totient is φ = 32214400.

The previous prime is 120804221. The next prime is 120804247. The reversal of 120804240 is 42408021.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (120804247) 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 7 ways as a sum of consecutive naturals, for example, 251436 + ... + 251915.

Almost surely, 2^120804240 is an apocalyptic number.

120804240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120804240 is an abundant number, since it is smaller than the sum of its proper divisors (253689648).

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

120804240 is a wasteful number, since it uses less digits than its factorization.

120804240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503367 (or 503361 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 120804240 is about 10991.0982162839. The cubic root of 120804240 is about 494.3418658932.

The spelling of 120804240 in words is "one hundred twenty million, eight hundred four thousand, two hundred forty".