1133123113 has 8 divisors (see below), whose sum is σ = 1164850632. Its totient is φ = 1101453696.

The previous prime is 1133123111. The next prime is 1133123137. The reversal of 1133123113 is 3113213311.

It can be written as a sum of positive squares in 4 ways, for example, as 568965609 + 564157504 = 23853^2 + 23752^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1133123113 - 2¹ = 1133123111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133123111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26631 + ... + 54547.

It is an arithmetic number, because the mean of its divisors is an integer number (145606329).

Almost surely, 2^1133123113 is an apocalyptic number.

It is an amenable number.

1133123113 is a deficient number, since it is larger than the sum of its proper divisors (31727519).

1133123113 is a wasteful number, since it uses less digits than its factorization.

1133123113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29051.

The product of its digits is 162, while the sum is 19.

The square root of 1133123113 is about 33661.8940792107. The cubic root of 1133123113 is about 1042.5391338031.

Adding to 1133123113 its reverse (3113213311), we get a palindrome (4246336424).

The spelling of 1133123113 in words is "one billion, one hundred thirty-three million, one hundred twenty-three thousand, one hundred thirteen".