1026256 has 80 divisors (see below), whose sum is σ = 2678400. Its totient is φ = 376320.

The previous prime is 1026253. The next prime is 1026257. The reversal of 1026256 is 6526201.

1026256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60360 + ... + 60376.

It is an arithmetic number, because the mean of its divisors is an integer number (33480).

2^1026256 is an apocalyptic number.

1026256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1026256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1339200).

1026256 is an abundant number, since it is smaller than the sum of its proper divisors (1652144).

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

1026256 is a wasteful number, since it uses less digits than its factorization.

1026256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 37 counting only the distinct ones).

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

The square root of 1026256 is about 1013.0429408470. The cubic root of 1026256 is about 100.8676500610.

Subtracting 1026256 from its reverse (6526201), we obtain a palindrome (5499945).

The spelling of 1026256 in words is "one million, twenty-six thousand, two hundred fifty-six".