3123256 has 8 divisors (see below), whose sum is σ = 5856120. Its totient is φ = 1561624.

The previous prime is 3123233. The next prime is 3123287. The reversal of 3123256 is 6523213.

3123256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 3⁷ + 1 + 2⁶ + 3⁷ + 2²⁰ + 5⁸ + 6⁸ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195196 + ... + 195211.

It is an arithmetic number, because the mean of its divisors is an integer number (732015).

Almost surely, 2^3123256 is an apocalyptic number.

It is an amenable number.

3123256 is a deficient number, since it is larger than the sum of its proper divisors (2732864).

3123256 is a wasteful number, since it uses less digits than its factorization.

3123256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390413 (or 390409 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 3123256 is about 1767.2736064345. The cubic root of 3123256 is about 146.1736845860.

Adding to 3123256 its reverse (6523213), we get a palindrome (9646469).

The spelling of 3123256 in words is "three million, one hundred twenty-three thousand, two hundred fifty-six".