1320063 has 8 divisors (see below), whose sum is σ = 1852800. Its totient is φ = 833688.

The previous prime is 1320061. The next prime is 1320091. The reversal of 1320063 is 3600231.

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

It is not a de Polignac number, because 1320063 - 2¹ = 1320061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320061) 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 7 ways as a sum of consecutive naturals, for example, 11523 + ... + 11636.

It is an arithmetic number, because the mean of its divisors is an integer number (231600).

2^1320063 is an apocalyptic number.

1320063 is a deficient number, since it is larger than the sum of its proper divisors (532737).

1320063 is a wasteful number, since it uses less digits than its factorization.

1320063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23181.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1320063 is about 1148.9399462113. The cubic root of 1320063 is about 109.6978761866.

Adding to 1320063 its reverse (3600231), we get a palindrome (4920294).

The spelling of 1320063 in words is "one million, three hundred twenty thousand, sixty-three".