120945666 has 16 divisors (see below), whose sum is σ = 242100000. Its totient is φ = 40280448.

The previous prime is 120945641. The next prime is 120945673. The reversal of 120945666 is 666549021.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 576 + ... + 15563.

It is an arithmetic number, because the mean of its divisors is an integer number (15131250).

Almost surely, 2^120945666 is an apocalyptic number.

120945666 is an abundant number, since it is smaller than the sum of its proper divisors (121154334).

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

120945666 is a wasteful number, since it uses less digits than its factorization.

120945666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17393.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 120945666 is about 10997.5299954126. The cubic root of 120945666 is about 494.5346999859.

The spelling of 120945666 in words is "one hundred twenty million, nine hundred forty-five thousand, six hundred sixty-six".