1263011327 has 2 divisors, whose sum is σ = 1263011328. Its totient is φ = 1263011326.

The previous prime is 1263011251. The next prime is 1263011329. The reversal of 1263011327 is 7231103621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1263011327 is a prime.

It is a super-2 number, since 2×1263011327² = 3190395224260601858, which contains 22 as substring.

Together with 1263011329, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1263011296 and 1263011305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1263011329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631505663 + 631505664.

It is an arithmetic number, because the mean of its divisors is an integer number (631505664).

Almost surely, 2^1263011327 is an apocalyptic number.

1263011327 is a deficient number, since it is larger than the sum of its proper divisors (1).

1263011327 is an equidigital number, since it uses as much as digits as its factorization.

1263011327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 1263011327 is about 35538.8706489106. The cubic root of 1263011327 is about 1080.9420583985.

Adding to 1263011327 its reverse (7231103621), we get a palindrome (8494114948).

The spelling of 1263011327 in words is "one billion, two hundred sixty-three million, eleven thousand, three hundred twenty-seven".