120551860 has 96 divisors (see below), whose sum is σ = 302730624. Its totient is φ = 39744000.

The previous prime is 120551831. The next prime is 120551861. The reversal of 120551860 is 68155021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120551861) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 174115 + ... + 174805.

It is an arithmetic number, because the mean of its divisors is an integer number (3153444).

Almost surely, 2^120551860 is an apocalyptic number.

120551860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120551860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151365312).

120551860 is an abundant number, since it is smaller than the sum of its proper divisors (182178764).

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

120551860 is a wasteful number, since it uses less digits than its factorization.

120551860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 120551860 is about 10979.6111042240. The cubic root of 120551860 is about 493.9973719585.

The spelling of 120551860 in words is "one hundred twenty million, five hundred fifty-one thousand, eight hundred sixty".