1125424 has 20 divisors (see below), whose sum is σ = 2251840. Its totient is φ = 544320.

The previous prime is 1125419. The next prime is 1125431. The reversal of 1125424 is 4245211.

1125424 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 639 + ... + 1630.

It is an arithmetic number, because the mean of its divisors is an integer number (112592).

2^1125424 is an apocalyptic number.

It is an amenable number.

1125424 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1125424 is a wasteful number, since it uses less digits than its factorization.

1125424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308 (or 2302 counting only the distinct ones).

The product of its digits is 320, while the sum is 19.

The square root of 1125424 is about 1060.8600284675. The cubic root of 1125424 is about 104.0172555195.

The spelling of 1125424 in words is "one million, one hundred twenty-five thousand, four hundred twenty-four".