1263112359 has 12 divisors (see below), whose sum is σ = 1789046184. Its totient is φ = 792540544.

The previous prime is 1263112273. The next prime is 1263112373. The reversal of 1263112359 is 9532113621.

It is not a de Polignac number, because 1263112359 - 2⁷ = 1263112231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263112399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 727572 + ... + 729305.

It is an arithmetic number, because the mean of its divisors is an integer number (149087182).

Almost surely, 2^1263112359 is an apocalyptic number.

1263112359 is a deficient number, since it is larger than the sum of its proper divisors (525933825).

1263112359 is a wasteful number, since it uses less digits than its factorization.

1263112359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456914 (or 1456897 counting only the distinct ones).

The product of its digits is 9720, while the sum is 33.

The square root of 1263112359 is about 35540.2920500099. The cubic root of 1263112359 is about 1080.9708802108.

The spelling of 1263112359 in words is "one billion, two hundred sixty-three million, one hundred twelve thousand, three hundred fifty-nine".