1129508211 has 16 divisors (see below), whose sum is σ = 1677785760. Its totient is φ = 671112960.

The previous prime is 1129508201. The next prime is 1129508231. The reversal of 1129508211 is 1128059211.

It is not a de Polignac number, because 1129508211 - 2⁵ = 1129508179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1129508201) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 498210 + ... + 500471.

It is an arithmetic number, because the mean of its divisors is an integer number (104861610).

Almost surely, 2^1129508211 is an apocalyptic number.

1129508211 is a deficient number, since it is larger than the sum of its proper divisors (548277549).

1129508211 is a wasteful number, since it uses less digits than its factorization.

1129508211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998726.

The product of its (nonzero) digits is 1440, while the sum is 30.

The square root of 1129508211 is about 33608.1569116785. The cubic root of 1129508211 is about 1041.4293127844.

The spelling of 1129508211 in words is "one billion, one hundred twenty-nine million, five hundred eight thousand, two hundred eleven".