1320365 has 8 divisors (see below), whose sum is σ = 1593600. Its totient is φ = 1050192.

The previous prime is 1320353. The next prime is 1320377. The reversal of 1320365 is 5630231.

It is an interprime number because it is at equal distance from previous prime (1320353) and next prime (1320377).

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 1320365 - 2⁶ = 1320301 is a prime.

It is a congruent number.

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, 332 + ... + 1658.

It is an arithmetic number, because the mean of its divisors is an integer number (199200).

2^1320365 is an apocalyptic number.

It is an amenable number.

1320365 is a deficient number, since it is larger than the sum of its proper divisors (273235).

1320365 is a wasteful number, since it uses less digits than its factorization.

1320365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1320365 is about 1149.0713641894. The cubic root of 1320365 is about 109.7062409976.

Adding to 1320365 its reverse (5630231), we get a palindrome (6950596).

The spelling of 1320365 in words is "one million, three hundred twenty thousand, three hundred sixty-five".