1256414 has 4 divisors (see below), whose sum is σ = 1884624. Its totient is φ = 628206.

The previous prime is 1256407. The next prime is 1256429. The reversal of 1256414 is 4146521.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1256414² = 3157152278792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1256414.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314102 + ... + 314105.

It is an arithmetic number, because the mean of its divisors is an integer number (471156).

2^1256414 is an apocalyptic number.

1256414 is a deficient number, since it is larger than the sum of its proper divisors (628210).

1256414 is an equidigital number, since it uses as much as digits as its factorization.

1256414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628209.

The product of its digits is 960, while the sum is 23.

The square root of 1256414 is about 1120.8987465423. The cubic root of 1256414 is about 107.9056675151.

The spelling of 1256414 in words is "one million, two hundred fifty-six thousand, four hundred fourteen".