1116432 has 30 divisors (see below), whose sum is σ = 3124862. Its totient is φ = 372096.

The previous prime is 1116431. The next prime is 1116439. The reversal of 1116432 is 2346111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1115136 + 1296 = 1056^2 + 36^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1116431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3733 + ... + 4020.

2^1116432 is an apocalyptic number.

1116432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1116432 is an abundant number, since it is smaller than the sum of its proper divisors (2008430).

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

1116432 is a wasteful number, since it uses less digits than its factorization.

1116432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7767 (or 7758 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1116432 is about 1056.6134581766. The cubic root of 1116432 is about 103.7394860396.

The spelling of 1116432 in words is "one million, one hundred sixteen thousand, four hundred thirty-two".