1321106 has 8 divisors (see below), whose sum is σ = 2011440. Its totient is φ = 650628.

The previous prime is 1321093. The next prime is 1321109. The reversal of 1321106 is 6011231.

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

It is not an unprimeable number, because it can be changed into a prime (1321109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4796 + ... + 5063.

It is an arithmetic number, because the mean of its divisors is an integer number (251430).

2^1321106 is an apocalyptic number.

1321106 is a deficient number, since it is larger than the sum of its proper divisors (690334).

1321106 is an equidigital number, since it uses as much as digits as its factorization.

1321106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9928.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1321106 is about 1149.3937532456. The cubic root of 1321106 is about 109.7267598496.

Adding to 1321106 its reverse (6011231), we get a palindrome (7332337).

The spelling of 1321106 in words is "one million, three hundred twenty-one thousand, one hundred six".