1129284 has 72 divisors (see below), whose sum is σ = 3261440. Its totient is φ = 326592.

The previous prime is 1129283. The next prime is 1129307. The reversal of 1129284 is 4829211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129283) 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, 8829 + ... + 8955.

2^1129284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1129284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1630720).

1129284 is an abundant number, since it is smaller than the sum of its proper divisors (2132156).

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

1129284 is a wasteful number, since it uses less digits than its factorization.

1129284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 164 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 1129284 is about 1062.6777498376. The cubic root of 1129284 is about 104.1360399206.

The spelling of 1129284 in words is "one million, one hundred twenty-nine thousand, two hundred eighty-four".