4129256 has 8 divisors (see below), whose sum is σ = 7742370. Its totient is φ = 2064624.

The previous prime is 4129243. The next prime is 4129309. The reversal of 4129256 is 6529214.

It is a happy number.

4129256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2992900 + 1136356 = 1730^2 + 1066^2 .

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

It is a super-2 number, since 2×4129256² = 34101510227072, which contains 22 as substring.

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

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, 258071 + ... + 258086.

Almost surely, 2^4129256 is an apocalyptic number.

It is an amenable number.

4129256 is a deficient number, since it is larger than the sum of its proper divisors (3613114).

4129256 is a wasteful number, since it uses less digits than its factorization.

4129256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516163 (or 516159 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 4129256 is about 2032.0570858123. The cubic root of 4129256 is about 160.4318541720.

The spelling of 4129256 in words is "four million, one hundred twenty-nine thousand, two hundred fifty-six".