120666063 has 16 divisors (see below), whose sum is σ = 185094656. Its totient is φ = 68493600.

The previous prime is 120666059. The next prime is 120666067. The reversal of 120666063 is 360666021.

It is an interprime number because it is at equal distance from previous prime (120666059) and next prime (120666067).

It is not a de Polignac number, because 120666063 - 2² = 120666059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120666063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120666067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15856 + ... + 22197.

It is an arithmetic number, because the mean of its divisors is an integer number (11568416).

Almost surely, 2^120666063 is an apocalyptic number.

120666063 is a deficient number, since it is larger than the sum of its proper divisors (64428593).

120666063 is a wasteful number, since it uses less digits than its factorization.

120666063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38214.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 120666063 is about 10984.8105582208. The cubic root of 120666063 is about 494.1533163968.

The spelling of 120666063 in words is "one hundred twenty million, six hundred sixty-six thousand, sixty-three".