4121256 has 16 divisors (see below), whose sum is σ = 10303200. Its totient is φ = 1373744.

The previous prime is 4121231. The next prime is 4121261. The reversal of 4121256 is 6521214.

It is an Ulam number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85836 + ... + 85883.

It is an arithmetic number, because the mean of its divisors is an integer number (643950).

Almost surely, 2^4121256 is an apocalyptic number.

It is an amenable number.

4121256 is an abundant number, since it is smaller than the sum of its proper divisors (6181944).

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

4121256 is a wasteful number, since it uses less digits than its factorization.

4121256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171728 (or 171724 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 4121256 is about 2030.0876828354. The cubic root of 4121256 is about 160.3281805659.

The spelling of 4121256 in words is "four million, one hundred twenty-one thousand, two hundred fifty-six".