1129410905 has 16 divisors (see below), whose sum is σ = 1549463040. Its totient is φ = 774174912.

The previous prime is 1129410899. The next prime is 1129410907. The reversal of 1129410905 is 5090149211.

It is not a de Polignac number, because 1129410905 - 2⁴ = 1129410889 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1129410907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158816 + ... + 165774.

It is an arithmetic number, because the mean of its divisors is an integer number (96841440).

Almost surely, 2^1129410905 is an apocalyptic number.

It is an amenable number.

1129410905 is a deficient number, since it is larger than the sum of its proper divisors (420052135).

1129410905 is an equidigital number, since it uses as much as digits as its factorization.

1129410905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11608.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 1129410905 is about 33606.7092259864. The cubic root of 1129410905 is about 1041.3994058951.

The spelling of 1129410905 in words is "one billion, one hundred twenty-nine million, four hundred ten thousand, nine hundred five".