1256862 has 8 divisors (see below), whose sum is σ = 2513736. Its totient is φ = 418952.

The previous prime is 1256837. The next prime is 1256863. The reversal of 1256862 is 2686521.

It is a sphenic number, since it is the product of 3 distinct primes.

1256862 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1256863) 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, 104733 + ... + 104744.

It is an arithmetic number, because the mean of its divisors is an integer number (314217).

2^1256862 is an apocalyptic number.

1256862 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1256862 is a wasteful number, since it uses less digits than its factorization.

1256862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209482.

The product of its digits is 5760, while the sum is 30.

The square root of 1256862 is about 1121.0985683694. The cubic root of 1256862 is about 107.9184913121.

The spelling of 1256862 in words is "one million, two hundred fifty-six thousand, eight hundred sixty-two".