1123131134 has 16 divisors (see below), whose sum is σ = 1709009280. Its totient is φ = 553472640.

The previous prime is 1123131131. The next prime is 1123131143. The reversal of 1123131134 is 4311313211.

It is a super-2 number, since 2×1123131134² = 2522847088320251912, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123131131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376802 + ... + 379770.

It is an arithmetic number, because the mean of its divisors is an integer number (106813080).

Almost surely, 2^1123131134 is an apocalyptic number.

1123131134 is a deficient number, since it is larger than the sum of its proper divisors (585878146).

1123131134 is a wasteful number, since it uses less digits than its factorization.

1123131134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5635.

The product of its digits is 216, while the sum is 20.

The square root of 1123131134 is about 33513.1486733193. The cubic root of 1123131134 is about 1039.4656815225.

Adding to 1123131134 its reverse (4311313211), we get a palindrome (5434444345).

The spelling of 1123131134 in words is "one billion, one hundred twenty-three million, one hundred thirty-one thousand, one hundred thirty-four".