120651216 has 80 divisors (see below), whose sum is σ = 374976000. Its totient is φ = 32655744.

The previous prime is 120651211. The next prime is 120651217. The reversal of 120651216 is 612156021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120651211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3066 + ... + 15833.

It is an arithmetic number, because the mean of its divisors is an integer number (4687200).

Almost surely, 2^120651216 is an apocalyptic number.

120651216 is a gapful number since it is divisible by the number (16) 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 120651216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187488000).

120651216 is an abundant number, since it is smaller than the sum of its proper divisors (254324784).

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

120651216 is a wasteful number, since it uses less digits than its factorization.

120651216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18936 (or 18930 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 120651216 is about 10984.1347406157. The cubic root of 120651216 is about 494.1330483528.

The spelling of 120651216 in words is "one hundred twenty million, six hundred fifty-one thousand, two hundred sixteen".