3120530 has 16 divisors (see below), whose sum is σ = 6419520. Its totient is φ = 1069872.

The previous prime is 3120529. The next prime is 3120539. The reversal of 3120530 is 350213.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (3120539) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22220 + ... + 22359.

It is an arithmetic number, because the mean of its divisors is an integer number (401220).

Almost surely, 2^3120530 is an apocalyptic number.

3120530 is an abundant number, since it is smaller than the sum of its proper divisors (3298990).

3120530 is a wasteful number, since it uses less digits than its factorization.

3120530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44593.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 3120530 is about 1766.5021936018. The cubic root of 3120530 is about 146.1311450643.

Adding to 3120530 its reverse (350213), we get a palindrome (3470743).

The spelling of 3120530 in words is "three million, one hundred twenty thousand, five hundred thirty".