1025856 has 84 divisors (see below), whose sum is σ = 3189732. Its totient is φ = 313344.

The previous prime is 1025839. The next prime is 1025873. The reversal of 1025856 is 6585201.

1025856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1025839) and next prime (1025873).

It can be written as a sum of positive squares in 2 ways, for example, as 360000 + 665856 = 600^2 + 816^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7420 + ... + 7556.

It is an arithmetic number, because the mean of its divisors is an integer number (37973).

2^1025856 is an apocalyptic number.

1025856 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 1025856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1594866).

1025856 is an abundant number, since it is smaller than the sum of its proper divisors (2163876).

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

1025856 is a wasteful number, since it uses less digits than its factorization.

1025856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1025856 is about 1012.8454966084. The cubic root of 1025856 is about 100.8545434212.

It can be divided in two parts, 1025 and 856, that added together give a palindrome (1881).

The spelling of 1025856 in words is "one million, twenty-five thousand, eight hundred fifty-six".