1320106 has 4 divisors (see below), whose sum is σ = 1980162. Its totient is φ = 660052.

The previous prime is 1320091. The next prime is 1320107. The reversal of 1320106 is 6010231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1301881 + 18225 = 1141^2 + 135^2 .

It is not an unprimeable number, because it can be changed into a prime (1320107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330025 + ... + 330028.

2^1320106 is an apocalyptic number.

1320106 is a deficient number, since it is larger than the sum of its proper divisors (660056).

1320106 is an equidigital number, since it uses as much as digits as its factorization.

1320106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660055.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1320106 is about 1148.9586589604. The cubic root of 1320106 is about 109.6990672806.

Adding to 1320106 its reverse (6010231), we get a palindrome (7330337).

The spelling of 1320106 in words is "one million, three hundred twenty thousand, one hundred six".