1000041943 has 2 divisors, whose sum is σ = 1000041944. Its totient is φ = 1000041942.

The previous prime is 1000041937. The next prime is 1000041997. The reversal of 1000041943 is 3491400001.

It is a weak prime.

It is an emirp because it is prime and its reverse (3491400001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000041943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000042943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500020971 + 500020972.

It is an arithmetic number, because the mean of its divisors is an integer number (500020972).

Almost surely, 2^1000041943 is an apocalyptic number.

1000041943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000041943 is an equidigital number, since it uses as much as digits as its factorization.

1000041943 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1000041943 is about 31623.4397717895. The cubic root of 1000041943 is about 1000.0139808045.

Adding to 1000041943 its reverse (3491400001), we get a palindrome (4491441944).

The spelling of 1000041943 in words is "one billion, forty-one thousand, nine hundred forty-three".