1278048028 has 12 divisors (see below), whose sum is σ = 2241481312. Its totient is φ = 637624800.

The previous prime is 1278048001. The next prime is 1278048097. The reversal of 1278048028 is 8208408721.

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, 347748 + ... + 351403.

Almost surely, 2^1278048028 is an apocalyptic number.

It is an amenable number.

1278048028 is a deficient number, since it is larger than the sum of its proper divisors (963433284).

1278048028 is a wasteful number, since it uses less digits than its factorization.

1278048028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699612 (or 699610 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 1278048028 is about 35749.7975938326. The cubic root of 1278048028 is about 1085.2148421779.

The spelling of 1278048028 in words is "one billion, two hundred seventy-eight million, forty-eight thousand, twenty-eight".