1129806 has 24 divisors (see below), whose sum is σ = 2555280. Its totient is φ = 360096.

The previous prime is 1129789. The next prime is 1129819. The reversal of 1129806 is 6089211.

It is a self number, because there is not a number n which added to its sum of digits gives 1129806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 951 + ... + 1778.

It is an arithmetic number, because the mean of its divisors is an integer number (106470).

2^1129806 is an apocalyptic number.

1129806 is an abundant number, since it is smaller than the sum of its proper divisors (1425474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1129806 is a wasteful number, since it uses less digits than its factorization.

1129806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760 (or 2757 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1129806 is about 1062.9233274324. The cubic root of 1129806 is about 104.1520827227.

The spelling of 1129806 in words is "one million, one hundred twenty-nine thousand, eight hundred six".