1129113112 has 16 divisors (see below), whose sum is σ = 2122005600. Its totient is φ = 563244960.

The previous prime is 1129113059. The next prime is 1129113121. The reversal of 1129113112 is 2113119211.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 160287 + ... + 167182.

It is an arithmetic number, because the mean of its divisors is an integer number (132625350).

Almost surely, 2^1129113112 is an apocalyptic number.

It is an amenable number.

1129113112 is a deficient number, since it is larger than the sum of its proper divisors (992892488).

1129113112 is a wasteful number, since it uses less digits than its factorization.

1129113112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327906 (or 327902 counting only the distinct ones).

The product of its digits is 108, while the sum is 22.

The square root of 1129113112 is about 33602.2783751340. The cubic root of 1129113112 is about 1041.3078688786.

It can be divided in two parts, 1129113 and 112, that multiplied together give a triangular number (126460656 = T₁₅₉₀₃).

The spelling of 1129113112 in words is "one billion, one hundred twenty-nine million, one hundred thirteen thousand, one hundred twelve".