256000126 has 8 divisors (see below), whose sum is σ = 384375024. Its totient is φ = 127875120.

The previous prime is 256000109. The next prime is 256000133. The reversal of 256000126 is 621000652.

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

It is a junction number, because it is equal to n+sod(n) for n = 256000097 and 256000106.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 59890 + ... + 64021.

It is an arithmetic number, because the mean of its divisors is an integer number (48046878).

Almost surely, 2^256000126 is an apocalyptic number.

256000126 is a deficient number, since it is larger than the sum of its proper divisors (128374898).

256000126 is a wasteful number, since it uses less digits than its factorization.

256000126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124946.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 256000126 is about 16000.0039374995. The cubic root of 256000126 is about 634.9605249605.

Adding to 256000126 its reverse (621000652), we get a palindrome (877000778).

The spelling of 256000126 in words is "two hundred fifty-six million, one hundred twenty-six", and thus it is an aban number.