3120456 has 32 divisors (see below), whose sum is σ = 8141760. Its totient is φ = 994752.

The previous prime is 3120443. The next prime is 3120457. The reversal of 3120456 is 6540213.

It is a happy number.

3120456 is nontrivially palindromic in base 7.

It is not an unprimeable number, because it can be changed into a prime (3120457) 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, 2275 + ... + 3378.

It is an arithmetic number, because the mean of its divisors is an integer number (254430).

Almost surely, 2^3120456 is an apocalyptic number.

It is an amenable number.

3120456 is an abundant number, since it is smaller than the sum of its proper divisors (5021304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3120456 is a wasteful number, since it uses less digits than its factorization.

3120456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5685 (or 5681 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3120456 is about 1766.4812481314. The cubic root of 3120456 is about 146.1299899410.

Adding to 3120456 its reverse (6540213), we get a palindrome (9660669).

The spelling of 3120456 in words is "three million, one hundred twenty thousand, four hundred fifty-six".