1172112133 has 8 divisors (see below), whose sum is σ = 1202467680. Its totient is φ = 1142116080.

The previous prime is 1172112121. The next prime is 1172112167. The reversal of 1172112133 is 3312112711.

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 1172112133 - 2⁵ = 1172112101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172112833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83263 + ... + 96316.

It is an arithmetic number, because the mean of its divisors is an integer number (150308460).

Almost surely, 2^1172112133 is an apocalyptic number.

It is an amenable number.

1172112133 is a deficient number, since it is larger than the sum of its proper divisors (30355547).

1172112133 is a wasteful number, since it uses less digits than its factorization.

1172112133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179747.

The product of its digits is 252, while the sum is 22.

The square root of 1172112133 is about 34236.1232180281. The cubic root of 1172112133 is about 1054.3619399753.

Adding to 1172112133 its reverse (3312112711), we get a palindrome (4484224844).

The spelling of 1172112133 in words is "one billion, one hundred seventy-two million, one hundred twelve thousand, one hundred thirty-three".