1375424 has 14 divisors (see below), whose sum is σ = 2729484. Its totient is φ = 687680.

The previous prime is 1375421. The next prime is 1375433. The reversal of 1375424 is 4245731.

It is a d-powerful number, because it can be written as 1 + 3¹⁰ + 7⁴ + 5⁵ + 4⁹ + 2⁷ + 4¹⁰ .

It is a junction number, because it is equal to n+sod(n) for n = 1375393 and 1375402.

It is not an unprimeable number, because it can be changed into a prime (1375421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10682 + ... + 10809.

2^1375424 is an apocalyptic number.

It is an amenable number.

1375424 is a deficient number, since it is larger than the sum of its proper divisors (1354060).

1375424 is an equidigital number, since it uses as much as digits as its factorization.

1375424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21503 (or 21493 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 1375424 is about 1172.7847202279. The cubic root of 1375424 is about 111.2104332636.

The spelling of 1375424 in words is "one million, three hundred seventy-five thousand, four hundred twenty-four".