1001324243 has 2 divisors, whose sum is σ = 1001324244. Its totient is φ = 1001324242.

The previous prime is 1001324231. The next prime is 1001324281. The reversal of 1001324243 is 3424231001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001324243 - 2⁴ = 1001324227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001324743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500662121 + 500662122.

It is an arithmetic number, because the mean of its divisors is an integer number (500662122).

Almost surely, 2^1001324243 is an apocalyptic number.

1001324243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001324243 is an equidigital number, since it uses as much as digits as its factorization.

1001324243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1001324243 is about 31643.7077947576. The cubic root of 1001324243 is about 1000.4412196299.

Adding to 1001324243 its reverse (3424231001), we get a palindrome (4425555244).

The spelling of 1001324243 in words is "one billion, one million, three hundred twenty-four thousand, two hundred forty-three".