120908666 has 16 divisors (see below), whose sum is σ = 191721600. Its totient is φ = 57028608.

The previous prime is 120908663. The next prime is 120908729. The reversal of 120908666 is 666809021.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (120908663) 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 7 ways as a sum of consecutive naturals, for example, 2426 + ... + 15738.

It is an arithmetic number, because the mean of its divisors is an integer number (11982600).

Almost surely, 2^120908666 is an apocalyptic number.

120908666 is a deficient number, since it is larger than the sum of its proper divisors (70812934).

120908666 is a wasteful number, since it uses less digits than its factorization.

120908666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13573.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 120908666 is about 10995.8476708256. The cubic root of 120908666 is about 494.4842650793.

The spelling of 120908666 in words is "one hundred twenty million, nine hundred eight thousand, six hundred sixty-six".