1121232 has 80 divisors (see below), whose sum is σ = 3428352. Its totient is φ = 309120.

The previous prime is 1121231. The next prime is 1121249. The reversal of 1121232 is 2321211.

It is a super-2 number, since 2×1121232² = 2514322395648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

1121232 is a modest number, since divided by 1232 gives 112 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15757 + ... + 15827.

2^1121232 is an apocalyptic number.

1121232 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 1121232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1714176).

1121232 is an abundant number, since it is smaller than the sum of its proper divisors (2307120).

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

1121232 is a wasteful number, since it uses less digits than its factorization.

1121232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 130 counting only the distinct ones).

The product of its digits is 24, while the sum is 12.

The square root of 1121232 is about 1058.8824297343. The cubic root of 1121232 is about 103.8879463736.

Adding to 1121232 its reverse (2321211), we get a palindrome (3442443).

The spelling of 1121232 in words is "one million, one hundred twenty-one thousand, two hundred thirty-two".