120665552 has 20 divisors (see below), whose sum is σ = 267188256. Its totient is φ = 51713760.

The previous prime is 120665543. The next prime is 120665557. The reversal of 120665552 is 255566021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120665557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538574 + ... + 538797.

Almost surely, 2^120665552 is an apocalyptic number.

It is an amenable number.

120665552 is an abundant number, since it is smaller than the sum of its proper divisors (146522704).

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

120665552 is a wasteful number, since it uses less digits than its factorization.

120665552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077386 (or 1077380 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 120665552 is about 10984.7872988056. The cubic root of 120665552 is about 494.1526188444.

The spelling of 120665552 in words is "one hundred twenty million, six hundred sixty-five thousand, five hundred fifty-two".