1123734113 has 4 divisors (see below), whose sum is σ = 1132312368. Its totient is φ = 1115155860.

The previous prime is 1123734107. The next prime is 1123734173. The reversal of 1123734113 is 3114373211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3114373211 = 353 ⋅8822587.

It is a cyclic number.

It is not a de Polignac number, because 1123734113 - 2¹⁰ = 1123733089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123734173) 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, 4288931 + ... + 4289192.

It is an arithmetic number, because the mean of its divisors is an integer number (283078092).

Almost surely, 2^1123734113 is an apocalyptic number.

It is an amenable number.

1123734113 is a deficient number, since it is larger than the sum of its proper divisors (8578255).

1123734113 is an equidigital number, since it uses as much as digits as its factorization.

1123734113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8578254.

The product of its digits is 1512, while the sum is 26.

The square root of 1123734113 is about 33522.1436217913. The cubic root of 1123734113 is about 1039.6516686631.

The spelling of 1123734113 in words is "one billion, one hundred twenty-three million, seven hundred thirty-four thousand, one hundred thirteen".