300120045 has 16 divisors (see below), whose sum is σ = 480527232. Its totient is φ = 159952320.

The previous prime is 300119999. The next prime is 300120047. The reversal of 300120045 is 540021003.

It is not a de Polignac number, because 300120045 - 2⁸ = 300119789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300120047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18144 + ... + 30486.

It is an arithmetic number, because the mean of its divisors is an integer number (30032952).

Almost surely, 2^300120045 is an apocalyptic number.

It is an amenable number.

300120045 is a deficient number, since it is larger than the sum of its proper divisors (180407187).

300120045 is a wasteful number, since it uses less digits than its factorization.

300120045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13972.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 300120045 is about 17323.9731297413. The cubic root of 300120045 is about 669.5222293732.

Adding to 300120045 its reverse (540021003), we get a palindrome (840141048).

The spelling of 300120045 in words is "three hundred million, one hundred twenty thousand, forty-five".