1278848 has 32 divisors (see below), whose sum is σ = 2598960. Its totient is φ = 626688.

The previous prime is 1278839. The next prime is 1278857. The reversal of 1278848 is 8488721.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1278839) and next prime (1278857).

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

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, 12365 + ... + 12467.

2^1278848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1278848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1299480).

1278848 is an abundant number, since it is smaller than the sum of its proper divisors (1320112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1278848 is an equidigital number, since it uses as much as digits as its factorization.

1278848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 202 counting only the distinct ones).

The product of its digits is 28672, while the sum is 38.

The square root of 1278848 is about 1130.8616184131. The cubic root of 1278848 is about 108.5441218756.

The spelling of 1278848 in words is "one million, two hundred seventy-eight thousand, eight hundred forty-eight".