1123310118 has 32 divisors (see below), whose sum is σ = 2596423680. Its totient is φ = 317338560.

The previous prime is 1123310107. The next prime is 1123310119. The reversal of 1123310118 is 8110133211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1123310094 and 1123310103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123310119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146518 + ... + 153993.

It is an arithmetic number, because the mean of its divisors is an integer number (81138240).

Almost surely, 2^1123310118 is an apocalyptic number.

1123310118 is an abundant number, since it is smaller than the sum of its proper divisors (1473113562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123310118 is a wasteful number, since it uses less digits than its factorization.

1123310118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300612.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1123310118 is about 33515.8189218166. The cubic root of 1123310118 is about 1039.5208955689.

Adding to 1123310118 its reverse (8110133211), we get a palindrome (9233443329).

The spelling of 1123310118 in words is "one billion, one hundred twenty-three million, three hundred ten thousand, one hundred eighteen".