120132909 has 32 divisors (see below), whose sum is σ = 194947200. Its totient is φ = 72662400.

The previous prime is 120132907. The next prime is 120132913. The reversal of 120132909 is 909231021.

It is not a de Polignac number, because 120132909 - 2¹ = 120132907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120132907) 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 31 ways as a sum of consecutive naturals, for example, 17809 + ... + 23609.

It is an arithmetic number, because the mean of its divisors is an integer number (6092100).

Almost surely, 2^120132909 is an apocalyptic number.

It is an amenable number.

120132909 is a deficient number, since it is larger than the sum of its proper divisors (74814291).

120132909 is a wasteful number, since it uses less digits than its factorization.

120132909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882 (or 5876 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 120132909 is about 10960.5159093904. The cubic root of 120132909 is about 493.4244486665.

The spelling of 120132909 in words is "one hundred twenty million, one hundred thirty-two thousand, nine hundred nine".