1043243011 has 2 divisors, whose sum is σ = 1043243012. Its totient is φ = 1043243010.

The previous prime is 1043242999. The next prime is 1043243017. The reversal of 1043243011 is 1103423401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1043243011 - 2⁵ = 1043242979 is a prime.

It is a super-2 number, since 2×1043243011² = 2176711960000692242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1043243011.

It is not a weakly prime, because it can be changed into another prime (1043243017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521621505 + 521621506.

It is an arithmetic number, because the mean of its divisors is an integer number (521621506).

Almost surely, 2^1043243011 is an apocalyptic number.

1043243011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043243011 is an equidigital number, since it uses as much as digits as its factorization.

1043243011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1043243011 is about 32299.2726079087. The cubic root of 1043243011 is about 1014.2114159243.

Adding to 1043243011 its reverse (1103423401), we get a palindrome (2146666412).

The spelling of 1043243011 in words is "one billion, forty-three million, two hundred forty-three thousand, eleven".