3120663 has 48 divisors (see below), whose sum is σ = 5515776. Its totient is φ = 1552320.

The previous prime is 3120653. The next prime is 3120671. The reversal of 3120663 is 3660213.

It is not a de Polignac number, because 3120663 - 2⁴ = 3120647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120613) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43918 + ... + 43988.

It is an arithmetic number, because the mean of its divisors is an integer number (114912).

Almost surely, 2^3120663 is an apocalyptic number.

3120663 is a deficient number, since it is larger than the sum of its proper divisors (2395113).

3120663 is a wasteful number, since it uses less digits than its factorization.

3120663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 3120663 is about 1766.5398382148. The cubic root of 3120663 is about 146.1332211183.

Adding to 3120663 its reverse (3660213), we get a palindrome (6780876).

The spelling of 3120663 in words is "three million, one hundred twenty thousand, six hundred sixty-three".