120155552 has 48 divisors (see below), whose sum is σ = 259060032. Its totient is φ = 54405120.

The previous prime is 120155551. The next prime is 120155557. The reversal of 120155552 is 255551021.

It is not an unprimeable number, because it can be changed into a prime (120155551) 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, 123773 + ... + 124739.

It is an arithmetic number, because the mean of its divisors is an integer number (5397084).

Almost surely, 2^120155552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120155552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129530016).

120155552 is an abundant number, since it is smaller than the sum of its proper divisors (138904480).

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

120155552 is a wasteful number, since it uses less digits than its factorization.

120155552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341 (or 1333 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 120155552 is about 10961.5487956766. The cubic root of 120155552 is about 493.4554474106.

The spelling of 120155552 in words is "one hundred twenty million, one hundred fifty-five thousand, five hundred fifty-two".