1263475472 has 20 divisors (see below), whose sum is σ = 2797695936. Its totient is φ = 541489440.

The previous prime is 1263475469. The next prime is 1263475523. The reversal of 1263475472 is 2745743621.

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, 5640404 + ... + 5640627.

Almost surely, 2^1263475472 is an apocalyptic number.

It is an amenable number.

1263475472 is an abundant number, since it is smaller than the sum of its proper divisors (1534220464).

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

1263475472 is a wasteful number, since it uses less digits than its factorization.

1263475472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11281046 (or 11281040 counting only the distinct ones).

The product of its digits is 282240, while the sum is 41.

The square root of 1263475472 is about 35545.4001524811. The cubic root of 1263475472 is about 1081.0744542568.

The spelling of 1263475472 in words is "one billion, two hundred sixty-three million, four hundred seventy-five thousand, four hundred seventy-two".