120030309 has 32 divisors (see below), whose sum is σ = 205824000. Its totient is φ = 67712112.

The previous prime is 120030293. The next prime is 120030349. The reversal of 120030309 is 903030021.

It is not a de Polignac number, because 120030309 - 2⁴ = 120030293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120030291 and 120030300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120030349) 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, 10912 + ... + 18950.

It is an arithmetic number, because the mean of its divisors is an integer number (6432000).

Almost surely, 2^120030309 is an apocalyptic number.

It is an amenable number.

120030309 is a deficient number, since it is larger than the sum of its proper divisors (85793691).

120030309 is an equidigital number, since it uses as much as digits as its factorization.

120030309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8134 (or 8128 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 120030309 is about 10955.8344730103. The cubic root of 120030309 is about 493.2839382713.

The spelling of 120030309 in words is "one hundred twenty million, thirty thousand, three hundred nine".