120842154 has 48 divisors (see below), whose sum is σ = 286191360. Its totient is φ = 36685440.

The previous prime is 120842149. The next prime is 120842177. The reversal of 120842154 is 451248021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3117 + ... + 15855.

It is an arithmetic number, because the mean of its divisors is an integer number (5962320).

Almost surely, 2^120842154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120842154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143095680).

120842154 is an abundant number, since it is smaller than the sum of its proper divisors (165349206).

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

120842154 is a wasteful number, since it uses less digits than its factorization.

120842154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12795 (or 12792 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 120842154 is about 10992.8228403809. The cubic root of 120842154 is about 494.3935763218.

The spelling of 120842154 in words is "one hundred twenty million, eight hundred forty-two thousand, one hundred fifty-four".