1263630804 has 48 divisors (see below), whose sum is σ = 3148561920. Its totient is φ = 393563520.

The previous prime is 1263630763. The next prime is 1263630821. The reversal of 1263630804 is 4080363621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47779 + ... + 69354.

It is an arithmetic number, because the mean of its divisors is an integer number (65595040).

Almost surely, 2^1263630804 is an apocalyptic number.

It is an amenable number.

1263630804 is an abundant number, since it is smaller than the sum of its proper divisors (1884931116).

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

1263630804 is a wasteful number, since it uses less digits than its factorization.

1263630804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117200 (or 117198 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 1263630804 is about 35547.5850656553. The cubic root of 1263630804 is about 1081.1187549653.

The spelling of 1263630804 in words is "one billion, two hundred sixty-three million, six hundred thirty thousand, eight hundred four".