1263472327 has 16 divisors (see below), whose sum is σ = 1385137152. Its totient is φ = 1145491200.

The previous prime is 1263472303. The next prime is 1263472361. The reversal of 1263472327 is 7232743621.

It is a cyclic number.

It is not a de Polignac number, because 1263472327 - 2¹¹ = 1263470279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263472387) 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 15 ways as a sum of consecutive naturals, for example, 162963 + ... + 170539.

It is an arithmetic number, because the mean of its divisors is an integer number (86571072).

Almost surely, 2^1263472327 is an apocalyptic number.

1263472327 is a deficient number, since it is larger than the sum of its proper divisors (121664825).

1263472327 is a wasteful number, since it uses less digits than its factorization.

1263472327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7818.

The product of its digits is 84672, while the sum is 37.

The square root of 1263472327 is about 35545.3559132554. The cubic root of 1263472327 is about 1081.0735572648.

The spelling of 1263472327 in words is "one billion, two hundred sixty-three million, four hundred seventy-two thousand, three hundred twenty-seven".