1129966827 has 8 divisors (see below), whose sum is σ = 1643588160. Its totient is φ = 684828360.

The previous prime is 1129966813. The next prime is 1129966853. The reversal of 1129966827 is 7286699211.

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

It is not a de Polignac number, because 1129966827 - 2⁸ = 1129966571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1129966827.

It is not an unprimeable number, because it can be changed into a prime (1129466827) 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, 17120677 + ... + 17120742.

It is an arithmetic number, because the mean of its divisors is an integer number (205448520).

Almost surely, 2^1129966827 is an apocalyptic number.

1129966827 is a deficient number, since it is larger than the sum of its proper divisors (513621333).

1129966827 is a wasteful number, since it uses less digits than its factorization.

1129966827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34241433.

The product of its digits is 653184, while the sum is 51.

The square root of 1129966827 is about 33614.9792057053. The cubic root of 1129966827 is about 1041.5702447738.

The spelling of 1129966827 in words is "one billion, one hundred twenty-nine million, nine hundred sixty-six thousand, eight hundred twenty-seven".