1012042043 has 2 divisors, whose sum is σ = 1012042044. Its totient is φ = 1012042042.

The previous prime is 1012042039. The next prime is 1012042063. The reversal of 1012042043 is 3402402101.

1012042043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012042043 - 2² = 1012042039 is a prime.

It is a super-2 number, since 2×1012042043² = 2048458193599227698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1012042063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506021021 + 506021022.

It is an arithmetic number, because the mean of its divisors is an integer number (506021022).

Almost surely, 2^1012042043 is an apocalyptic number.

1012042043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012042043 is an equidigital number, since it uses as much as digits as its factorization.

1012042043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1012042043 is about 31812.6082395015. The cubic root of 1012042043 is about 1003.9980089562.

Adding to 1012042043 its reverse (3402402101), we get a palindrome (4414444144).

The spelling of 1012042043 in words is "one billion, twelve million, forty-two thousand, forty-three".