1100424 has 32 divisors (see below), whose sum is σ = 2963520. Its totient is φ = 338496.

The previous prime is 1100419. The next prime is 1100441. The reversal of 1100424 is 4240011.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1452 + ... + 2075.

It is an arithmetic number, because the mean of its divisors is an integer number (92610).

2^1100424 is an apocalyptic number.

It is an amenable number.

1100424 is an abundant number, since it is smaller than the sum of its proper divisors (1863096).

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

1100424 is a wasteful number, since it uses less digits than its factorization.

1100424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549 (or 3545 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1100424 is about 1049.0109627645. The cubic root of 1100424 is about 103.2412730773.

Adding to 1100424 its reverse (4240011), we get a palindrome (5340435).

The spelling of 1100424 in words is "one million, one hundred thousand, four hundred twenty-four".