1263034113 has 16 divisors (see below), whose sum is σ = 1838059776. Its totient is φ = 765092240.

The previous prime is 1263034081. The next prime is 1263034117. The reversal of 1263034113 is 3114303621.

It is a happy number.

It is not a de Polignac number, because 1263034113 - 2⁵ = 1263034081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1263034117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66370 + ... + 83252.

It is an arithmetic number, because the mean of its divisors is an integer number (114878736).

Almost surely, 2^1263034113 is an apocalyptic number.

It is an amenable number.

1263034113 is a deficient number, since it is larger than the sum of its proper divisors (575025663).

1263034113 is a wasteful number, since it uses less digits than its factorization.

1263034113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19164.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1263034113 is about 35539.1912260254. The cubic root of 1263034113 is about 1080.9485587883.

Adding to 1263034113 its reverse (3114303621), we get a palindrome (4377337734).

The spelling of 1263034113 in words is "one billion, two hundred sixty-three million, thirty-four thousand, one hundred thirteen".