1257314 has 8 divisors (see below), whose sum is σ = 1905708. Its totient is φ = 622080.

The previous prime is 1257313. The next prime is 1257317. The reversal of 1257314 is 4137521.

It can be written as a sum of positive squares in 2 ways, for example, as 1177225 + 80089 = 1085^2 + 283^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1257314.

It is not an unprimeable number, because it can be changed into a prime (1257313) 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, 3047 + ... + 3434.

2^1257314 is an apocalyptic number.

1257314 is a deficient number, since it is larger than the sum of its proper divisors (648394).

1257314 is an equidigital number, since it uses as much as digits as its factorization.

1257314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6580.

The product of its digits is 840, while the sum is 23.

The square root of 1257314 is about 1121.3001382324. The cubic root of 1257314 is about 107.9314265195.

The spelling of 1257314 in words is "one million, two hundred fifty-seven thousand, three hundred fourteen".