1043256 has 32 divisors (see below), whose sum is σ = 2762640. Its totient is φ = 327168.

The previous prime is 1043221. The next prime is 1043279. The reversal of 1043256 is 6523401.

It is a happy number.

It is an Ulam number.

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 7 ways as a sum of consecutive naturals, for example, 871 + ... + 1686.

2^1043256 is an apocalyptic number.

It is an amenable number.

1043256 is an abundant number, since it is smaller than the sum of its proper divisors (1719384).

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

1043256 is a wasteful number, since it uses less digits than its factorization.

1043256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583 (or 2579 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1043256 is about 1021.3990405322. The cubic root of 1043256 is about 101.4215625087.

Adding to 1043256 its reverse (6523401), we get a palindrome (7566657).

The spelling of 1043256 in words is "one million, forty-three thousand, two hundred fifty-six".