120540166 has 24 divisors (see below), whose sum is σ = 192945816. Its totient is φ = 56467200.

The previous prime is 120540143. The next prime is 120540193. The reversal of 120540166 is 661045021.

It is a self number, because there is not a number n which added to its sum of digits gives 120540166.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 200266 + ... + 200866.

It is an arithmetic number, because the mean of its divisors is an integer number (8039409).

Almost surely, 2^120540166 is an apocalyptic number.

120540166 is a deficient number, since it is larger than the sum of its proper divisors (72405650).

120540166 is a wasteful number, since it uses less digits than its factorization.

120540166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 120540166 is about 10979.0785587863. The cubic root of 120540166 is about 493.9813982188.

Adding to 120540166 its reverse (661045021), we get a palindrome (781585187).

The spelling of 120540166 in words is "one hundred twenty million, five hundred forty thousand, one hundred sixty-six".