1278048548 has 12 divisors (see below), whose sum is σ = 2556097152. Its totient is φ = 547735080.

The previous prime is 1278048529. The next prime is 1278048587. The reversal of 1278048548 is 8458408721.

1278048548 is an admirable number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

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, 22822268 + ... + 22822323.

It is an arithmetic number, because the mean of its divisors is an integer number (213008096).

Almost surely, 2^1278048548 is an apocalyptic number.

It is an amenable number.

1278048548 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1278048548 is a wasteful number, since it uses less digits than its factorization.

1278048548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45644602 (or 45644600 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 47.

The square root of 1278048548 is about 35749.8048666003. The cubic root of 1278048548 is about 1085.2149893585.

The spelling of 1278048548 in words is "one billion, two hundred seventy-eight million, forty-eight thousand, five hundred forty-eight".