214121256 has 48 divisors (see below), whose sum is σ = 568662240. Its totient is φ = 67173120.

The previous prime is 214121251. The next prime is 214121261. The reversal of 214121256 is 652121412.

It is an interprime number because it is at equal distance from previous prime (214121251) and next prime (214121261).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (214121251) 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 11 ways as a sum of consecutive naturals, for example, 8500 + ... + 22371.

It is an arithmetic number, because the mean of its divisors is an integer number (11847130).

Almost surely, 2^214121256 is an apocalyptic number.

It is an amenable number.

214121256 is an abundant number, since it is smaller than the sum of its proper divisors (354540984).

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

214121256 is a wasteful number, since it uses less digits than its factorization.

214121256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30914 (or 30893 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 214121256 is about 14632.8826961744. The cubic root of 214121256 is about 598.2553541573.

Adding to 214121256 its reverse (652121412), we get a palindrome (866242668).

The spelling of 214121256 in words is "two hundred fourteen million, one hundred twenty-one thousand, two hundred fifty-six".