1129089 has 24 divisors (see below), whose sum is σ = 1739232. Its totient is φ = 648960.

The previous prime is 1129043. The next prime is 1129103. The reversal of 1129089 is 9809211.

It is not a de Polignac number, because 1129089 - 2⁹ = 1128577 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8554 + ... + 8684.

It is an arithmetic number, because the mean of its divisors is an integer number (72468).

2^1129089 is an apocalyptic number.

It is an amenable number.

1129089 is a deficient number, since it is larger than the sum of its proper divisors (610143).

1129089 is a wasteful number, since it uses less digits than its factorization.

1129089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 1129089 is about 1062.5859965198. The cubic root of 1129089 is about 104.1300456514.

The spelling of 1129089 in words is "one million, one hundred twenty-nine thousand, eighty-nine".