120330505 has 16 divisors (see below), whose sum is σ = 153204480. Its totient is φ = 90415872.

The previous prime is 120330487. The next prime is 120330517. The reversal of 120330505 is 505033021.

It is a cyclic number.

It is not a de Polignac number, because 120330505 - 2⁵ = 120330473 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51472 + ... + 53758.

It is an arithmetic number, because the mean of its divisors is an integer number (9575280).

Almost surely, 2^120330505 is an apocalyptic number.

It is an amenable number.

120330505 is a deficient number, since it is larger than the sum of its proper divisors (32873975).

120330505 is a wasteful number, since it uses less digits than its factorization.

120330505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 120330505 is about 10969.5261976076. The cubic root of 120330505 is about 493.6948305607.

Adding to 120330505 its reverse (505033021), we get a palindrome (625363526).

It can be divided in two parts, 120 and 330505, that added together give a square (330625 = 575²).

The spelling of 120330505 in words is "one hundred twenty million, three hundred thirty thousand, five hundred five".