1278482 has 8 divisors (see below), whose sum is σ = 1935036. Its totient is φ = 633472.

The previous prime is 1278481. The next prime is 1278493. The reversal of 1278482 is 2848721.

It can be written as a sum of positive squares in 2 ways, for example, as 919681 + 358801 = 959^2 + 599^2 .

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 (1278481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2603 + ... + 3054.

2^1278482 is an apocalyptic number.

1278482 is a deficient number, since it is larger than the sum of its proper divisors (656554).

1278482 is a wasteful number, since it uses less digits than its factorization.

1278482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5772.

The product of its digits is 7168, while the sum is 32.

The square root of 1278482 is about 1130.6997833200. The cubic root of 1278482 is about 108.5337659566.

The spelling of 1278482 in words is "one million, two hundred seventy-eight thousand, four hundred eighty-two".