1424425 has 12 divisors (see below), whose sum is σ = 1781136. Its totient is φ = 1130000.

The previous prime is 1424417. The next prime is 1424431. The reversal of 1424425 is 5244241.

It is a happy number.

It is not a de Polignac number, because 1424425 - 2³ = 1424417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1424396 and 1424405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5550 + ... + 5800.

It is an arithmetic number, because the mean of its divisors is an integer number (148428).

2^1424425 is an apocalyptic number.

It is an amenable number.

1424425 is a deficient number, since it is larger than the sum of its proper divisors (356711).

1424425 is a wasteful number, since it uses less digits than its factorization.

1424425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 483 counting only the distinct ones).

The product of its digits is 1280, while the sum is 22.

The square root of 1424425 is about 1193.4927733338. The cubic root of 1424425 is about 112.5157179685.

Adding to 1424425 its reverse (5244241), we get a palindrome (6668666).

It can be divided in two parts, 1424 and 425, that added together give a square (1849 = 43²).

The spelling of 1424425 in words is "one million, four hundred twenty-four thousand, four hundred twenty-five".