1126320163 has 4 divisors (see below), whose sum is σ = 1126437120. Its totient is φ = 1126203208.

The previous prime is 1126320131. The next prime is 1126320211. The reversal of 1126320163 is 3610236211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3610236211 = 103 ⋅35050837.

It is a cyclic number.

It is not a de Polignac number, because 1126320163 - 2⁵ = 1126320131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1126320263) 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, 42595 + ... + 63772.

It is an arithmetic number, because the mean of its divisors is an integer number (281609280).

Almost surely, 2^1126320163 is an apocalyptic number.

1126320163 is a deficient number, since it is larger than the sum of its proper divisors (116957).

1126320163 is a wasteful number, since it uses less digits than its factorization.

1126320163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116956.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1126320163 is about 33560.6937204820. The cubic root of 1126320163 is about 1040.4485746751.

Adding to 1126320163 its reverse (3610236211), we get a palindrome (4736556374).

The spelling of 1126320163 in words is "one billion, one hundred twenty-six million, three hundred twenty thousand, one hundred sixty-three".