120611280 has 80 divisors (see below), whose sum is σ = 375940224. Its totient is φ = 31987200.

The previous prime is 120611279. The next prime is 120611291. The reversal of 120611280 is 82116021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46005 + ... + 48555.

Almost surely, 2^120611280 is an apocalyptic number.

120611280 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 120611280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187970112).

120611280 is an abundant number, since it is smaller than the sum of its proper divisors (255328944).

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

120611280 is a wasteful number, since it uses less digits than its factorization.

120611280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764 (or 2758 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 120611280 is about 10982.3166954883. The cubic root of 120611280 is about 494.0785223790.

The spelling of 120611280 in words is "one hundred twenty million, six hundred eleven thousand, two hundred eighty".