1275424 has 12 divisors (see below), whose sum is σ = 2511054. Its totient is φ = 637696.

The previous prime is 1275401. The next prime is 1275437. The reversal of 1275424 is 4245721.

It can be written as a sum of positive squares in only one way, i.e., 739600 + 535824 = 860^2 + 732^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19897 + ... + 19960.

2^1275424 is an apocalyptic number.

It is an amenable number.

1275424 is a deficient number, since it is larger than the sum of its proper divisors (1235630).

1275424 is an equidigital number, since it uses as much as digits as its factorization.

1275424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39867 (or 39859 counting only the distinct ones).

The product of its digits is 2240, while the sum is 25.

The square root of 1275424 is about 1129.3467138129. The cubic root of 1275424 is about 108.4471629306.

The spelling of 1275424 in words is "one million, two hundred seventy-five thousand, four hundred twenty-four".