120661112 has 64 divisors (see below), whose sum is σ = 275032800. Its totient is φ = 48867840.

The previous prime is 120661109. The next prime is 120661129. The reversal of 120661112 is 211166021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31358 + ... + 34994.

Almost surely, 2^120661112 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 120661112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137516400).

120661112 is an abundant number, since it is smaller than the sum of its proper divisors (154371688).

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

120661112 is a wasteful number, since it uses less digits than its factorization.

120661112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3696 (or 3692 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 120661112 is about 10984.5851992690. The cubic root of 120661112 is about 494.1465578367.

The spelling of 120661112 in words is "one hundred twenty million, six hundred sixty-one thousand, one hundred twelve".