1268080263 has 12 divisors (see below), whose sum is σ = 1836778320. Its totient is φ = 843029856.

The previous prime is 1268080217. The next prime is 1268080291. The reversal of 1268080263 is 3620808621.

It is not a de Polignac number, because 1268080263 - 2⁶ = 1268080199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268080763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193006 + ... + 199467.

It is an arithmetic number, because the mean of its divisors is an integer number (153064860).

Almost surely, 2^1268080263 is an apocalyptic number.

1268080263 is a deficient number, since it is larger than the sum of its proper divisors (568698057).

1268080263 is a wasteful number, since it uses less digits than its factorization.

1268080263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392838 (or 392835 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1268080263 is about 35610.1146164963. The cubic root of 1268080263 is about 1082.3862028377.

Adding to 1268080263 its reverse (3620808621), we get a palindrome (4888888884).

The spelling of 1268080263 in words is "one billion, two hundred sixty-eight million, eighty thousand, two hundred sixty-three".