1129055 has 16 divisors (see below), whose sum is σ = 1477440. Its totient is φ = 824832.

The previous prime is 1129043. The next prime is 1129103. The reversal of 1129055 is 5509211.

It is a cyclic number.

It is not a de Polignac number, because 1129055 - 2¹⁰ = 1128031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1129055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2966 + ... + 3324.

It is an arithmetic number, because the mean of its divisors is an integer number (92340).

2^1129055 is an apocalyptic number.

1129055 is a deficient number, since it is larger than the sum of its proper divisors (348385).

1129055 is a wasteful number, since it uses less digits than its factorization.

1129055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 1129055 is about 1062.5699976943. The cubic root of 1129055 is about 104.1290004261.

The spelling of 1129055 in words is "one million, one hundred twenty-nine thousand, fifty-five".