1040213243 has 2 divisors, whose sum is σ = 1040213244. Its totient is φ = 1040213242.

The previous prime is 1040213219. The next prime is 1040213263. The reversal of 1040213243 is 3423120401.

1040213243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (1040213263) can be obtained adding 1040213243 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1040213243 - 2¹² = 1040209147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1040213263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520106621 + 520106622.

It is an arithmetic number, because the mean of its divisors is an integer number (520106622).

Almost surely, 2^1040213243 is an apocalyptic number.

1040213243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040213243 is an equidigital number, since it uses as much as digits as its factorization.

1040213243 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1040213243 is about 32252.3370160985. The cubic root of 1040213243 is about 1013.2286456106.

Adding to 1040213243 its reverse (3423120401), we get a palindrome (4463333644).

The spelling of 1040213243 in words is "one billion, forty million, two hundred thirteen thousand, two hundred forty-three".