1329243 has 8 divisors (see below), whose sum is σ = 1777728. Its totient is φ = 883464.

The previous prime is 1329241. The next prime is 1329269. The reversal of 1329243 is 3429231.

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

It is not a de Polignac number, because 1329243 - 2¹ = 1329241 is a prime.

1329243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1329241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296 + ... + 2082.

It is an arithmetic number, because the mean of its divisors is an integer number (222216).

2^1329243 is an apocalyptic number.

1329243 is a deficient number, since it is larger than the sum of its proper divisors (448485).

1329243 is an equidigital number, since it uses as much as digits as its factorization.

1329243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353.

The product of its digits is 1296, while the sum is 24.

The square root of 1329243 is about 1152.9280116295. The cubic root of 1329243 is about 109.9515764826.

The spelling of 1329243 in words is "one million, three hundred twenty-nine thousand, two hundred forty-three".