1129102089 has 8 divisors (see below), whose sum is σ = 1533874752. Its totient is φ = 738532080.

The previous prime is 1129102087. The next prime is 1129102097. The reversal of 1129102089 is 9802019211.

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

It is not a de Polignac number, because 1129102089 - 2¹ = 1129102087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1129102087) 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, 3550477 + ... + 3550794.

It is an arithmetic number, because the mean of its divisors is an integer number (191734344).

Almost surely, 2^1129102089 is an apocalyptic number.

It is an amenable number.

1129102089 is a deficient number, since it is larger than the sum of its proper divisors (404772663).

1129102089 is an equidigital number, since it uses as much as digits as its factorization.

1129102089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7101327.

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 1129102089 is about 33602.1143531177. The cubic root of 1129102089 is about 1041.3044802680.

The spelling of 1129102089 in words is "one billion, one hundred twenty-nine million, one hundred two thousand, eighty-nine".