1263788082 has 24 divisors (see below), whose sum is σ = 2839623696. Its totient is φ = 421262532.

The previous prime is 1263788077. The next prime is 1263788111. The reversal of 1263788082 is 2808873621.

1263788082 is a `hidden beast` number, since 1 + 2 + 637 + 8 + 8 + 0 + 8 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1299708 + ... + 1300679.

It is an arithmetic number, because the mean of its divisors is an integer number (118317654).

Almost surely, 2^1263788082 is an apocalyptic number.

1263788082 is an abundant number, since it is smaller than the sum of its proper divisors (1575835614).

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

1263788082 is an equidigital number, since it uses as much as digits as its factorization.

1263788082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600404 (or 2600392 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 1263788082 is about 35549.7972146115. The cubic root of 1263788082 is about 1081.1636069746.

The spelling of 1263788082 in words is "one billion, two hundred sixty-three million, seven hundred eighty-eight thousand, eighty-two".