1129232 has 40 divisors (see below), whose sum is σ = 2421720. Its totient is φ = 506880.

The previous prime is 1129229. The next prime is 1129253. The reversal of 1129232 is 2329211.

It can be written as a sum of positive squares in 4 ways, for example, as 80656 + 1048576 = 284^2 + 1024^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12644 + ... + 12732.

It is an arithmetic number, because the mean of its divisors is an integer number (60543).

2^1129232 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 1129232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1210860).

1129232 is an abundant number, since it is smaller than the sum of its proper divisors (1292488).

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

1129232 is a wasteful number, since it uses less digits than its factorization.

1129232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 165 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

The square root of 1129232 is about 1062.6532830608. The cubic root of 1129232 is about 104.1344415163.

The spelling of 1129232 in words is "one million, one hundred twenty-nine thousand, two hundred thirty-two".