1129993085 has 8 divisors (see below), whose sum is σ = 1460298840. Its totient is φ = 834456384.

The previous prime is 1129993079. The next prime is 1129993127. The reversal of 1129993085 is 5803999211.

It can be written as a sum of positive squares in 4 ways, for example, as 293764 + 1129699321 = 542^2 + 33611^2 .

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 1129993085 - 2⁴ = 1129993069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8692190 + ... + 8692319.

It is an arithmetic number, because the mean of its divisors is an integer number (182537355).

Almost surely, 2^1129993085 is an apocalyptic number.

It is an amenable number.

1129993085 is a deficient number, since it is larger than the sum of its proper divisors (330305755).

1129993085 is a wasteful number, since it uses less digits than its factorization.

1129993085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17384527.

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 1129993085 is about 33615.3697733641. The cubic root of 1129993085 is about 1041.5783126625.

The spelling of 1129993085 in words is "one billion, one hundred twenty-nine million, nine hundred ninety-three thousand, eighty-five".