1427256 has 48 divisors (see below), whose sum is σ = 3963960. Its totient is φ = 463680.

The previous prime is 1427233. The next prime is 1427281. The reversal of 1427256 is 6527241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2866 + ... + 3326.

2^1427256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1427256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1981980).

1427256 is an abundant number, since it is smaller than the sum of its proper divisors (2536704).

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

1427256 is a wasteful number, since it uses less digits than its factorization.

1427256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 509 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 1427256 is about 1194.6781993491. The cubic root of 1427256 is about 112.5902091272.

The spelling of 1427256 in words is "one million, four hundred twenty-seven thousand, two hundred fifty-six".