1123200133 has 4 divisors (see below), whose sum is σ = 1225309248. Its totient is φ = 1021091020.

The previous prime is 1123200121. The next prime is 1123200161. The reversal of 1123200133 is 3310023211.

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.

It is a cyclic number.

It is not a de Polignac number, because 1123200133 - 2⁹ = 1123199621 is a prime.

It is a super-3 number, since 3×1123200133³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123200173) 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, 51054541 + ... + 51054562.

It is an arithmetic number, because the mean of its divisors is an integer number (306327312).

Almost surely, 2^1123200133 is an apocalyptic number.

It is an amenable number.

1123200133 is a deficient number, since it is larger than the sum of its proper divisors (102109115).

1123200133 is a wasteful number, since it uses less digits than its factorization.

1123200133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102109114.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1123200133 is about 33514.1780892804. The cubic root of 1123200133 is about 1039.4869674382.

Adding to 1123200133 its reverse (3310023211), we get a palindrome (4433223344).

The spelling of 1123200133 in words is "one billion, one hundred twenty-three million, two hundred thousand, one hundred thirty-three".