1325421 has 24 divisors (see below), whose sum is σ = 2109120. Its totient is φ = 798336.

The previous prime is 1325419. The next prime is 1325431. The reversal of 1325421 is 1245231.

It is not a de Polignac number, because 1325421 - 2¹ = 1325419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1325394 and 1325403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325431) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3765 + ... + 4101.

It is an arithmetic number, because the mean of its divisors is an integer number (87880).

2^1325421 is an apocalyptic number.

It is an amenable number.

1325421 is a deficient number, since it is larger than the sum of its proper divisors (783699).

1325421 is a wasteful number, since it uses less digits than its factorization.

1325421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 382 counting only the distinct ones).

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

The square root of 1325421 is about 1151.2692995125. The cubic root of 1325421 is about 109.8460933015.

The spelling of 1325421 in words is "one million, three hundred twenty-five thousand, four hundred twenty-one".