1329241 has 2 divisors, whose sum is σ = 1329242. Its totient is φ = 1329240.

The previous prime is 1329233. The next prime is 1329269. The reversal of 1329241 is 1429231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1058841 + 270400 = 1029^2 + 520^2 .

It is an emirp because it is prime and its reverse (1429231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1329241 - 2³ = 1329233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1329541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664620 + 664621.

It is an arithmetic number, because the mean of its divisors is an integer number (664621).

2^1329241 is an apocalyptic number.

It is an amenable number.

1329241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1329241 is an equidigital number, since it uses as much as digits as its factorization.

1329241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 22.

The square root of 1329241 is about 1152.9271442724. The cubic root of 1329241 is about 109.9515213376.

The spelling of 1329241 in words is "one million, three hundred twenty-nine thousand, two hundred forty-one".