256112103 has 8 divisors (see below), whose sum is σ = 367750768. Its totient is φ = 157607424.

The previous prime is 256112083. The next prime is 256112149. The reversal of 256112103 is 301211652.

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

It is not a de Polignac number, because 256112103 - 2²⁰ = 255063527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 256112103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256112183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3283450 + ... + 3283527.

It is an arithmetic number, because the mean of its divisors is an integer number (45968846).

Almost surely, 2^256112103 is an apocalyptic number.

256112103 is a deficient number, since it is larger than the sum of its proper divisors (111638665).

256112103 is a wasteful number, since it uses less digits than its factorization.

256112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6566993.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 256112103 is about 16003.5028353170. The cubic root of 256112103 is about 635.0530908139.

Adding to 256112103 its reverse (301211652), we get a palindrome (557323755).

The spelling of 256112103 in words is "two hundred fifty-six million, one hundred twelve thousand, one hundred three".