120330545 has 8 divisors (see below), whose sum is σ = 144553896. Its totient is φ = 96159616.

The previous prime is 120330533. The next prime is 120330547. The reversal of 120330545 is 545033021.

It can be written as a sum of positive squares in 4 ways, for example, as 34527376 + 85803169 = 5876^2 + 9263^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120330545 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120330545.

It is not an unprimeable number, because it can be changed into a prime (120330547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7862 + ... + 17391.

It is an arithmetic number, because the mean of its divisors is an integer number (18069237).

Almost surely, 2^120330545 is an apocalyptic number.

It is an amenable number.

120330545 is a deficient number, since it is larger than the sum of its proper divisors (24223351).

120330545 is an equidigital number, since it uses as much as digits as its factorization.

120330545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26211.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 120330545 is about 10969.5280208403. The cubic root of 120330545 is about 493.6948852650.

Adding to 120330545 its reverse (545033021), we get a palindrome (665363566).

The spelling of 120330545 in words is "one hundred twenty million, three hundred thirty thousand, five hundred forty-five".