1124480 has 64 divisors (see below), whose sum is σ = 3084480. Its totient is φ = 384000.

The previous prime is 1124449. The next prime is 1124509. The reversal of 1124480 is 844211.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4355 + ... + 4605.

It is an arithmetic number, because the mean of its divisors is an integer number (48195).

2^1124480 is an apocalyptic number.

1124480 is a gapful number since it is divisible by the number (10) 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 1124480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1542240).

1124480 is an abundant number, since it is smaller than the sum of its proper divisors (1960000).

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

1124480 is an equidigital number, since it uses as much as digits as its factorization.

1124480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1124480 is about 1060.4150130963. The cubic root of 1124480 is about 103.9881643336.

Adding to 1124480 its reverse (844211), we get a palindrome (1968691).

The spelling of 1124480 in words is "one million, one hundred twenty-four thousand, four hundred eighty".