1123012134 has 32 divisors (see below), whose sum is σ = 2499517440. Its totient is φ = 373747176.

The previous prime is 1123012127. The next prime is 1123012139. The reversal of 1123012134 is 4312103211.

It is a super-2 number, since 2×1123012134² = 2522312506222467912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123012139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18867 + ... + 51009.

It is an arithmetic number, because the mean of its divisors is an integer number (78109920).

Almost surely, 2^1123012134 is an apocalyptic number.

1123012134 is an abundant number, since it is smaller than the sum of its proper divisors (1376505306).

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

1123012134 is a wasteful number, since it uses less digits than its factorization.

1123012134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32801 (or 32795 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1123012134 is about 33511.3732037349. The cubic root of 1123012134 is about 1039.4289684498.

Adding to 1123012134 its reverse (4312103211), we get a palindrome (5435115345).

The spelling of 1123012134 in words is "one billion, one hundred twenty-three million, twelve thousand, one hundred thirty-four".