1425321 has 24 divisors (see below), whose sum is σ = 2196480. Its totient is φ = 889056.

The previous prime is 1425311. The next prime is 1425337. The reversal of 1425321 is 1235241.

It is not a de Polignac number, because 1425321 - 2⁹ = 1424809 is a prime.

1425321 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1425294 and 1425303.

It is not an unprimeable number, because it can be changed into a prime (1425301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11160 + ... + 11286.

It is an arithmetic number, because the mean of its divisors is an integer number (91520).

2^1425321 is an apocalyptic number.

It is an amenable number.

1425321 is a deficient number, since it is larger than the sum of its proper divisors (771159).

1425321 is a wasteful number, since it uses less digits than its factorization.

1425321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 202 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1425321 is about 1193.8680831650. The cubic root of 1425321 is about 112.5393047848.

The spelling of 1425321 in words is "one million, four hundred twenty-five thousand, three hundred twenty-one".