1320266 has 8 divisors (see below), whose sum is σ = 1986660. Its totient is φ = 658048.

The previous prime is 1320251. The next prime is 1320287. The reversal of 1320266 is 6620231.

It can be written as a sum of positive squares in 2 ways, for example, as 1288225 + 32041 = 1135^2 + 179^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71 + ... + 1626.

2^1320266 is an apocalyptic number.

1320266 is a deficient number, since it is larger than the sum of its proper divisors (666394).

1320266 is a wasteful number, since it uses less digits than its factorization.

1320266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1320266 is about 1149.0282851175. The cubic root of 1320266 is about 109.7034990312.

Adding to 1320266 its reverse (6620231), we get a palindrome (7940497).

The spelling of 1320266 in words is "one million, three hundred twenty thousand, two hundred sixty-six".