120506530 has 8 divisors (see below), whose sum is σ = 216911772. Its totient is φ = 48202608.

The previous prime is 120506483. The next prime is 120506549. The reversal of 120506530 is 35605021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 97476129 + 23030401 = 9873^2 + 4799^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6025317 + ... + 6025336.

Almost surely, 2^120506530 is an apocalyptic number.

120506530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120506530 is a deficient number, since it is larger than the sum of its proper divisors (96405242).

120506530 is a wasteful number, since it uses less digits than its factorization.

120506530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12050660.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 120506530 is about 10977.5466293703. The cubic root of 120506530 is about 493.9354464431.

The spelling of 120506530 in words is "one hundred twenty million, five hundred six thousand, five hundred thirty".