240120128 has 28 divisors (see below), whose sum is σ = 477499680. Its totient is φ = 119805312.

The previous prime is 240120073. The next prime is 240120169. The reversal of 240120128 is 821021042.

It is a happy number.

240120128 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28463 + ... + 35921.

It is an arithmetic number, because the mean of its divisors is an integer number (17053560).

Almost surely, 2^240120128 is an apocalyptic number.

It is an amenable number.

240120128 is a deficient number, since it is larger than the sum of its proper divisors (237379552).

240120128 is an equidigital number, since it uses as much as digits as its factorization.

240120128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7974 (or 7964 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 240120128 is about 15495.8100143232. The cubic root of 240120128 is about 621.5501687926.

The spelling of 240120128 in words is "two hundred forty million, one hundred twenty thousand, one hundred twenty-eight".