1263363055 has 16 divisors (see below), whose sum is σ = 1571420160. Its totient is φ = 974410272.

The previous prime is 1263363043. The next prime is 1263363071. The reversal of 1263363055 is 5503633621.

It is a cyclic number.

It is not a de Polignac number, because 1263363055 - 2¹⁹ = 1262838767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1263363055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24375 + ... + 55864.

It is an arithmetic number, because the mean of its divisors is an integer number (98213760).

Almost surely, 2^1263363055 is an apocalyptic number.

1263363055 is a deficient number, since it is larger than the sum of its proper divisors (308057105).

1263363055 is an equidigital number, since it uses as much as digits as its factorization.

1263363055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80358.

The product of its (nonzero) digits is 48600, while the sum is 34.

The square root of 1263363055 is about 35543.8188015863. The cubic root of 1263363055 is about 1081.0423906475.

Adding to 1263363055 its reverse (5503633621), we get a palindrome (6766996676).

The spelling of 1263363055 in words is "one billion, two hundred sixty-three million, three hundred sixty-three thousand, fifty-five".