1042428043 has 2 divisors, whose sum is σ = 1042428044. Its totient is φ = 1042428042.

The previous prime is 1042428031. The next prime is 1042428053. The reversal of 1042428043 is 3408242401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042428043 - 2⁹ = 1042427531 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042428053) 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, 521214021 + 521214022.

It is an arithmetic number, because the mean of its divisors is an integer number (521214022).

Almost surely, 2^1042428043 is an apocalyptic number.

1042428043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042428043 is an equidigital number, since it uses as much as digits as its factorization.

1042428043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 1042428043 is about 32286.6542552802. The cubic root of 1042428043 is about 1013.9472508276.

The spelling of 1042428043 in words is "one billion, forty-two million, four hundred twenty-eight thousand, forty-three".