120530609 has 4 divisors (see below), whose sum is σ = 120559104. Its totient is φ = 120502116.

The previous prime is 120530593. The next prime is 120530617. The reversal of 120530609 is 906035021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120530609 - 2⁴ = 120530593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120530209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6497 + ... + 16830.

It is an arithmetic number, because the mean of its divisors is an integer number (30139776).

Almost surely, 2^120530609 is an apocalyptic number.

It is an amenable number.

120530609 is a deficient number, since it is larger than the sum of its proper divisors (28495).

120530609 is an equidigital number, since it uses as much as digits as its factorization.

120530609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28494.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 120530609 is about 10978.6433132696. The cubic root of 120530609 is about 493.9683428057.

The spelling of 120530609 in words is "one hundred twenty million, five hundred thirty thousand, six hundred nine".