120661072 has 40 divisors (see below), whose sum is σ = 272232576. Its totient is φ = 50733696.

The previous prime is 120660997. The next prime is 120661109. The reversal of 120661072 is 270166021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4228 + ... + 16099.

Almost surely, 2^120661072 is an apocalyptic number.

It is an amenable number.

120661072 is an abundant number, since it is smaller than the sum of its proper divisors (151571504).

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

120661072 is a wasteful number, since it uses less digits than its factorization.

120661072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20395 (or 20389 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 120661072 is about 10984.5833785356. The cubic root of 120661072 is about 494.1465032323.

The spelling of 120661072 in words is "one hundred twenty million, six hundred sixty-one thousand, seventy-two".