120842178 has 8 divisors (see below), whose sum is σ = 241684368. Its totient is φ = 40280724.

The previous prime is 120842177. The next prime is 120842201. The reversal of 120842178 is 871248021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

120842178 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (120842177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10070176 + ... + 10070187.

It is an arithmetic number, because the mean of its divisors is an integer number (30210546).

Almost surely, 2^120842178 is an apocalyptic number.

120842178 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

120842178 is a wasteful number, since it uses less digits than its factorization.

120842178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20140368.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 120842178 is about 10992.8239320022. The cubic root of 120842178 is about 494.3936090517.

The spelling of 120842178 in words is "one hundred twenty million, eight hundred forty-two thousand, one hundred seventy-eight".