1123411113 has 48 divisors (see below), whose sum is σ = 1841688576. Its totient is φ = 678669840.

The previous prime is 1123411109. The next prime is 1123411129. The reversal of 1123411113 is 3111143211.

It is a happy number.

It is not a de Polignac number, because 1123411113 - 2² = 1123411109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123411313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1301320 + ... + 1302182.

It is an arithmetic number, because the mean of its divisors is an integer number (38368512).

Almost surely, 2^1123411113 is an apocalyptic number.

It is an amenable number.

1123411113 is a deficient number, since it is larger than the sum of its proper divisors (718277463).

1123411113 is an equidigital number, since it uses as much as digits as its factorization.

1123411113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376 (or 1364 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 1123411113 is about 33517.3255645494. The cubic root of 1123411113 is about 1039.5520485173.

Adding to 1123411113 its reverse (3111143211), we get a palindrome (4234554324).

The spelling of 1123411113 in words is "one billion, one hundred twenty-three million, four hundred eleven thousand, one hundred thirteen".