1320226 has 8 divisors (see below), whose sum is σ = 2002860. Its totient is φ = 652608.

The previous prime is 1320211. The next prime is 1320247. The reversal of 1320226 is 6220231.

It can be written as a sum of positive squares in 2 ways, for example, as 1320201 + 25 = 1149^2 + 5^2 .

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

It is an unprimeable number.

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, 3531 + ... + 3886.

2^1320226 is an apocalyptic number.

1320226 is a deficient number, since it is larger than the sum of its proper divisors (682634).

1320226 is an equidigital number, since it uses as much as digits as its factorization.

1320226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7508.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1320226 is about 1149.0108789737. The cubic root of 1320226 is about 109.7023911272.

Adding to 1320226 its reverse (6220231), we get a palindrome (7540457).

The spelling of 1320226 in words is "one million, three hundred twenty thousand, two hundred twenty-six".