1256474 has 8 divisors (see below), whose sum is σ = 1889568. Its totient is φ = 626620.

The previous prime is 1256449. The next prime is 1256477. The reversal of 1256474 is 4746521.

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

It is not an unprimeable number, because it can be changed into a prime (1256477) 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, 809 + ... + 1779.

It is an arithmetic number, because the mean of its divisors is an integer number (236196).

2^1256474 is an apocalyptic number.

1256474 is a deficient number, since it is larger than the sum of its proper divisors (633094).

1256474 is an equidigital number, since it uses as much as digits as its factorization.

1256474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620.

The product of its digits is 6720, while the sum is 29.

The square root of 1256474 is about 1120.9255104600. The cubic root of 1256474 is about 107.9073851647.

The spelling of 1256474 in words is "one million, two hundred fifty-six thousand, four hundred seventy-four".