1425444 has 12 divisors (see below), whose sum is σ = 3326064. Its totient is φ = 475144.

The previous prime is 1425439. The next prime is 1425451. The reversal of 1425444 is 4445241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 59382 + ... + 59405.

It is an arithmetic number, because the mean of its divisors is an integer number (277172).

2^1425444 is an apocalyptic number.

It is an amenable number.

1425444 is an abundant number, since it is smaller than the sum of its proper divisors (1900620).

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

1425444 is a wasteful number, since it uses less digits than its factorization.

1425444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118794 (or 118792 counting only the distinct ones).

The product of its digits is 2560, while the sum is 24.

The square root of 1425444 is about 1193.9195952827. The cubic root of 1425444 is about 112.5425419354.

The spelling of 1425444 in words is "one million, four hundred twenty-five thousand, four hundred forty-four".