120659121 has 12 divisors (see below), whose sum is σ = 190129680. Its totient is φ = 73126680.

The previous prime is 120659087. The next prime is 120659129. The reversal of 120659121 is 121956021.

120659121 is a `hidden beast` number, since 1 + 2 + 0 + 659 + 1 + 2 + 1 = 666.

It is not a de Polignac number, because 120659121 - 2¹¹ = 120657073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120659129) 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 11 ways as a sum of consecutive naturals, for example, 609291 + ... + 609488.

It is an arithmetic number, because the mean of its divisors is an integer number (15844140).

Almost surely, 2^120659121 is an apocalyptic number.

120659121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120659121 is a deficient number, since it is larger than the sum of its proper divisors (69470559).

120659121 is a wasteful number, since it uses less digits than its factorization.

120659121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218796 (or 1218793 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 120659121 is about 10984.4945718954. The cubic root of 120659121 is about 494.1438398905.

The spelling of 120659121 in words is "one hundred twenty million, six hundred fifty-nine thousand, one hundred twenty-one".