1263463042 has 8 divisors (see below), whose sum is σ = 1896335100. Its totient is φ = 631351344.

The previous prime is 1263463027. The next prime is 1263463043. The reversal of 1263463042 is 2403643621.

It can be written as a sum of positive squares in 2 ways, for example, as 1158789681 + 104673361 = 34041^2 + 10231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1263462995 and 1263463013.

It is not an unprimeable number, because it can be changed into a prime (1263463043) 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, 185917 + ... + 192592.

Almost surely, 2^1263463042 is an apocalyptic number.

1263463042 is a deficient number, since it is larger than the sum of its proper divisors (632872058).

1263463042 is a wasteful number, since it uses less digits than its factorization.

1263463042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380180.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 1263463042 is about 35545.2253052361. The cubic root of 1263463042 is about 1081.0709090621.

The spelling of 1263463042 in words is "one billion, two hundred sixty-three million, four hundred sixty-three thousand, forty-two".