1256246 has 8 divisors (see below), whose sum is σ = 1889544. Its totient is φ = 626400.

The previous prime is 1256243. The next prime is 1256267. The reversal of 1256246 is 6426521.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1256243) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 446 + ... + 1646.

It is an arithmetic number, because the mean of its divisors is an integer number (236193).

2^1256246 is an apocalyptic number.

1256246 is a deficient number, since it is larger than the sum of its proper divisors (633298).

1256246 is a wasteful number, since it uses less digits than its factorization.

1256246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726.

The product of its digits is 2880, while the sum is 26.

The square root of 1256246 is about 1120.8238041726. The cubic root of 1256246 is about 107.9008578053.

The spelling of 1256246 in words is "one million, two hundred fifty-six thousand, two hundred forty-six".