1129632 has 72 divisors (see below), whose sum is σ = 3473568. Its totient is φ = 314880.

The previous prime is 1129619. The next prime is 1129643. The reversal of 1129632 is 2369211.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27532 + ... + 27572.

It is an arithmetic number, because the mean of its divisors is an integer number (48244).

2^1129632 is an apocalyptic number.

1129632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1129632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1736784).

1129632 is an abundant number, since it is smaller than the sum of its proper divisors (2343936).

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

1129632 is an equidigital number, since it uses as much as digits as its factorization.

1129632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 53 counting only the distinct ones).

The product of its digits is 648, while the sum is 24.

The square root of 1129632 is about 1062.8414745389. The cubic root of 1129632 is about 104.1467356711.

The spelling of 1129632 in words is "one million, one hundred twenty-nine thousand, six hundred thirty-two".