120304047 has 4 divisors (see below), whose sum is σ = 160405400. Its totient is φ = 80202696.

The previous prime is 120304021. The next prime is 120304069. The reversal of 120304047 is 740403021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120304047 - 2¹⁰ = 120303023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120305047) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 20050672 + ... + 20050677.

It is an arithmetic number, because the mean of its divisors is an integer number (40101350).

Almost surely, 2^120304047 is an apocalyptic number.

120304047 is a deficient number, since it is larger than the sum of its proper divisors (40101353).

120304047 is an equidigital number, since it uses as much as digits as its factorization.

120304047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40101352.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 120304047 is about 10968.3201539707. The cubic root of 120304047 is about 493.6586437398.

Adding to 120304047 its reverse (740403021), we get a palindrome (860707068).

The spelling of 120304047 in words is "one hundred twenty million, three hundred four thousand, forty-seven".