1018256 has 20 divisors (see below), whose sum is σ = 2059392. Its totient is φ = 486816.

The previous prime is 1018253. The next prime is 1018271. The reversal of 1018256 is 6528101.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (1018253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016 + ... + 1751.

2^1018256 is an apocalyptic number.

1018256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1018256 is an abundant number, since it is smaller than the sum of its proper divisors (1041136).

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

1018256 is a wasteful number, since it uses less digits than its factorization.

1018256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798 (or 2792 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1018256 is about 1009.0867157980. The cubic root of 1018256 is about 100.6048673120.

The spelling of 1018256 in words is "one million, eighteen thousand, two hundred fifty-six".