1425945 has 8 divisors (see below), whose sum is σ = 2281536. Its totient is φ = 760496.

The previous prime is 1425929. The next prime is 1425953. The reversal of 1425945 is 5495241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1425945 - 2⁴ = 1425929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47517 + ... + 47546.

It is an arithmetic number, because the mean of its divisors is an integer number (285192).

2^1425945 is an apocalyptic number.

1425945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1425945 is a deficient number, since it is larger than the sum of its proper divisors (855591).

1425945 is an equidigital number, since it uses as much as digits as its factorization.

1425945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95071.

The product of its digits is 7200, while the sum is 30.

The square root of 1425945 is about 1194.1293899741. The cubic root of 1425945 is about 112.5557254789. Note that the first 3 decimals are identical.

The spelling of 1425945 in words is "one million, four hundred twenty-five thousand, nine hundred forty-five".