1329011 has 2 divisors, whose sum is σ = 1329012. Its totient is φ = 1329010.

The previous prime is 1328981. The next prime is 1329061. The reversal of 1329011 is 1109231.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1109231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1329011 - 2¹⁰ = 1327987 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1329061) 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 as a sum of consecutive naturals, namely, 664505 + 664506.

It is an arithmetic number, because the mean of its divisors is an integer number (664506).

2^1329011 is an apocalyptic number.

1329011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1329011 is an equidigital number, since it uses as much as digits as its factorization.

1329011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 1329011 is about 1152.8273938452. The cubic root of 1329011 is about 109.9451792951.

The spelling of 1329011 in words is "one million, three hundred twenty-nine thousand, eleven".