120661312 has 28 divisors (see below), whose sum is σ = 249850656. Its totient is φ = 57706880.

The previous prime is 120661279. The next prime is 120661339. The reversal of 120661312 is 213166021.

It is a super-2 number, since 2×120661312² = 29118304427122688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39514 + ... + 42457.

Almost surely, 2^120661312 is an apocalyptic number.

It is an amenable number.

120661312 is an abundant number, since it is smaller than the sum of its proper divisors (129189344).

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

120661312 is an equidigital number, since it uses as much as digits as its factorization.

120661312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82006 (or 81996 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 120661312 is about 10984.5943029317. The cubic root of 120661312 is about 494.1468308582.

The spelling of 120661312 in words is "one hundred twenty million, six hundred sixty-one thousand, three hundred twelve".