1263256848 has 90 divisors (see below), whose sum is σ = 4112590014. Its totient is φ = 360928512.

The previous prime is 1263256843. The next prime is 1263256871. The reversal of 1263256848 is 8486523621.

1263256848 is a `hidden beast` number, since 1 + 2 + 632 + 5 + 6 + 8 + 4 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1203534864 + 59721984 = 34692^2 + 7728^2 .

It is not an unprimeable number, because it can be changed into a prime (1263256843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 82461 + ... + 96572.

Almost surely, 2^1263256848 is an apocalyptic number.

1263256848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1263256848 is an abundant number, since it is smaller than the sum of its proper divisors (2849333166).

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

1263256848 is a wasteful number, since it uses less digits than its factorization.

1263256848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179061 (or 179045 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 1263256848 is about 35542.3247410745. The cubic root of 1263256848 is about 1081.0120965089.

The spelling of 1263256848 in words is "one billion, two hundred sixty-three million, two hundred fifty-six thousand, eight hundred forty-eight".