1042315009 has 2 divisors, whose sum is σ = 1042315010. Its totient is φ = 1042315008.

The previous prime is 1042314947. The next prime is 1042315039. The reversal of 1042315009 is 9005132401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 778577409 + 263737600 = 27903^2 + 16240^2 .

It is an emirp because it is prime and its reverse (9005132401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1042315009 - 2⁷ = 1042314881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042315039) 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, 521157504 + 521157505.

It is an arithmetic number, because the mean of its divisors is an integer number (521157505).

Almost surely, 2^1042315009 is an apocalyptic number.

It is an amenable number.

1042315009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042315009 is an equidigital number, since it uses as much as digits as its factorization.

1042315009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1042315009 is about 32284.9037322399. The cubic root of 1042315009 is about 1013.9106009258.

The spelling of 1042315009 in words is "one billion, forty-two million, three hundred fifteen thousand, nine".