1047256 has 16 divisors (see below), whose sum is σ = 2244240. Its totient is φ = 448800.

The previous prime is 1047247. The next prime is 1047271. The reversal of 1047256 is 6527401.

1047256 is nontrivially palindromic in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 1047256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9295 + ... + 9406.

It is an arithmetic number, because the mean of its divisors is an integer number (140265).

2^1047256 is an apocalyptic number.

It is an amenable number.

1047256 is an abundant number, since it is smaller than the sum of its proper divisors (1196984).

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

1047256 is a wasteful number, since it uses less digits than its factorization.

1047256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18714 (or 18710 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1047256 is about 1023.3552657802. The cubic root of 1047256 is about 101.5510190257.

The spelling of 1047256 in words is "one million, forty-seven thousand, two hundred fifty-six".