1263329404 has 12 divisors (see below), whose sum is σ = 2211638128. Its totient is φ = 631432800.

The previous prime is 1263329401. The next prime is 1263329413. The reversal of 1263329404 is 4049233621.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1263329404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263329401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45417 + ... + 67744.

Almost surely, 2^1263329404 is an apocalyptic number.

It is an amenable number.

1263329404 is a deficient number, since it is larger than the sum of its proper divisors (948308724).

1263329404 is a wasteful number, since it uses less digits than its factorization.

1263329404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115956 (or 115954 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 1263329404 is about 35543.3454249878. The cubic root of 1263329404 is about 1081.0327923297.

The spelling of 1263329404 in words is "one billion, two hundred sixty-three million, three hundred twenty-nine thousand, four hundred four".