1263044852 has 24 divisors (see below), whose sum is σ = 2397434760. Its totient is φ = 579875840.

The previous prime is 1263044851. The next prime is 1263044911. The reversal of 1263044852 is 2584403621.

It can be written as a sum of positive squares in 4 ways, for example, as 445885456 + 817159396 = 21116^2 + 28586^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263044851) 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 7 ways as a sum of consecutive naturals, for example, 223727 + ... + 229302.

It is an arithmetic number, because the mean of its divisors is an integer number (99893115).

Almost surely, 2^1263044852 is an apocalyptic number.

It is an amenable number.

1263044852 is a deficient number, since it is larger than the sum of its proper divisors (1134389908).

1263044852 is a wasteful number, since it uses less digits than its factorization.

1263044852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453091 (or 453089 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 1263044852 is about 35539.3423124289. The cubic root of 1263044852 is about 1080.9516223829.

The spelling of 1263044852 in words is "one billion, two hundred sixty-three million, forty-four thousand, eight hundred fifty-two".