1051105043 has 2 divisors, whose sum is σ = 1051105044. Its totient is φ = 1051105042.

The previous prime is 1051105021. The next prime is 1051105079. The reversal of 1051105043 is 3405011501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1051105043 is a prime.

It is a super-2 number, since 2×1051105043² = 2209643622840063698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1051105243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525552521 + 525552522.

It is an arithmetic number, because the mean of its divisors is an integer number (525552522).

Almost surely, 2^1051105043 is an apocalyptic number.

1051105043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051105043 is an equidigital number, since it uses as much as digits as its factorization.

1051105043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1051105043 is about 32420.7501918139. The cubic root of 1051105043 is about 1016.7527910676.

Adding to 1051105043 its reverse (3405011501), we get a palindrome (4456116544).

The spelling of 1051105043 in words is "one billion, fifty-one million, one hundred five thousand, forty-three".