1130113123 has 4 divisors (see below), whose sum is σ = 1131210288. Its totient is φ = 1129015960.

The previous prime is 1130113111. The next prime is 1130113129. The reversal of 1130113123 is 3213110311.

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 1130113123 - 2⁹ = 1130112611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130113097 and 1130113106.

It is not an unprimeable number, because it can be changed into a prime (1130113129) 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 3 ways as a sum of consecutive naturals, for example, 547036 + ... + 549097.

It is an arithmetic number, because the mean of its divisors is an integer number (282802572).

Almost surely, 2^1130113123 is an apocalyptic number.

1130113123 is a deficient number, since it is larger than the sum of its proper divisors (1097165).

1130113123 is a wasteful number, since it uses less digits than its factorization.

1130113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097164.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1130113123 is about 33617.1551889805. The cubic root of 1130113123 is about 1041.6151932866.

Adding to 1130113123 its reverse (3213110311), we get a palindrome (4343223434).

The spelling of 1130113123 in words is "one billion, one hundred thirty million, one hundred thirteen thousand, one hundred twenty-three".