300120018 has 32 divisors (see below), whose sum is σ = 658228032. Its totient is φ = 90470400.

The previous prime is 300119999. The next prime is 300120047. The reversal of 300120018 is 810021003.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 300119979 and 300120006.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 958 + ... + 24518.

It is an arithmetic number, because the mean of its divisors is an integer number (20569626).

Almost surely, 2^300120018 is an apocalyptic number.

300120018 is an abundant number, since it is smaller than the sum of its proper divisors (358108014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

300120018 is a wasteful number, since it uses less digits than its factorization.

300120018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23770.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 300120018 is about 17323.9723504744. The cubic root of 300120018 is about 669.5222092956.

The spelling of 300120018 in words is "three hundred million, one hundred twenty thousand, eighteen".