1278548 has 12 divisors (see below), whose sum is σ = 2355360. Its totient is φ = 605592.

The previous prime is 1278527. The next prime is 1278551. The reversal of 1278548 is 8458721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8336 + ... + 8487.

It is an arithmetic number, because the mean of its divisors is an integer number (196280).

2^1278548 is an apocalyptic number.

It is an amenable number.

1278548 is a deficient number, since it is larger than the sum of its proper divisors (1076812).

1278548 is a wasteful number, since it uses less digits than its factorization.

1278548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16846 (or 16844 counting only the distinct ones).

The product of its digits is 17920, while the sum is 35.

The square root of 1278548 is about 1130.7289684093. The cubic root of 1278548 is about 108.5356335634.

The spelling of 1278548 in words is "one million, two hundred seventy-eight thousand, five hundred forty-eight".