1163301263 has 4 divisors (see below), whose sum is σ = 1166597088. Its totient is φ = 1160005440.

The previous prime is 1163301233. The next prime is 1163301287. The reversal of 1163301263 is 3621033611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1163301263 - 2¹² = 1163297167 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 (1163301233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1647383 + ... + 1648088.

It is an arithmetic number, because the mean of its divisors is an integer number (291649272).

Almost surely, 2^1163301263 is an apocalyptic number.

1163301263 is a deficient number, since it is larger than the sum of its proper divisors (3295825).

1163301263 is an equidigital number, since it uses as much as digits as its factorization.

1163301263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3295824.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1163301263 is about 34107.2025091475. The cubic root of 1163301263 is about 1051.7133818854.

Adding to 1163301263 its reverse (3621033611), we get a palindrome (4784334874).

The spelling of 1163301263 in words is "one billion, one hundred sixty-three million, three hundred one thousand, two hundred sixty-three".