1124424 has 96 divisors (see below), whose sum is σ = 3669120. Its totient is φ = 304128.

The previous prime is 1124423. The next prime is 1124429. The reversal of 1124424 is 4244211.

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.

It is a junction number, because it is equal to n+sod(n) for n = 1124397 and 1124406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11544 + ... + 11640.

It is an arithmetic number, because the mean of its divisors is an integer number (38220).

2^1124424 is an apocalyptic number.

1124424 is a gapful number since it is divisible by the number (14) 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 1124424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1834560).

1124424 is an abundant number, since it is smaller than the sum of its proper divisors (2544696).

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

1124424 is a wasteful number, since it uses less digits than its factorization.

1124424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 132 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 1124424 is about 1060.3886080112. The cubic root of 1124424 is about 103.9864380738.

Adding to 1124424 its reverse (4244211), we get a palindrome (5368635).

The spelling of 1124424 in words is "one million, one hundred twenty-four thousand, four hundred twenty-four".