1124440 has 16 divisors (see below), whose sum is σ = 2530080. Its totient is φ = 449760.

The previous prime is 1124437. The next prime is 1124441. The reversal of 1124440 is 444211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124441) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14016 + ... + 14095.

It is an arithmetic number, because the mean of its divisors is an integer number (158130).

2^1124440 is an apocalyptic number.

1124440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1124440 is an abundant number, since it is smaller than the sum of its proper divisors (1405640).

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

1124440 is a wasteful number, since it uses less digits than its factorization.

1124440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28122 (or 28118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1124440 is about 1060.3961523883. The cubic root of 1124440 is about 103.9869312967.

Adding to 1124440 its reverse (444211), we get a palindrome (1568651).

The spelling of 1124440 in words is "one million, one hundred twenty-four thousand, four hundred forty".