1359321 has 4 divisors (see below), whose sum is σ = 1812432. Its totient is φ = 906212.

The previous prime is 1359313. The next prime is 1359329. The reversal of 1359321 is 1239531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1359313) and next prime (1359329).

It is a cyclic number.

It is not a de Polignac number, because 1359321 - 2³ = 1359313 is a prime.

It is a D-number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 1359291 and 1359300.

It is not an unprimeable number, because it can be changed into a prime (1359329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226551 + ... + 226556.

It is an arithmetic number, because the mean of its divisors is an integer number (453108).

2^1359321 is an apocalyptic number.

It is an amenable number.

1359321 is a deficient number, since it is larger than the sum of its proper divisors (453111).

1359321 is an equidigital number, since it uses as much as digits as its factorization.

1359321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453110.

The product of its digits is 810, while the sum is 24.

The square root of 1359321 is about 1165.8992237754. The cubic root of 1359321 is about 110.7747236934.

The spelling of 1359321 in words is "one million, three hundred fifty-nine thousand, three hundred twenty-one".