1020340067 has 2 divisors, whose sum is σ = 1020340068. Its totient is φ = 1020340066.

The previous prime is 1020340039. The next prime is 1020340081. The reversal of 1020340067 is 7600430201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020340067 - 2⁶ = 1020340003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020340367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510170033 + 510170034.

It is an arithmetic number, because the mean of its divisors is an integer number (510170034).

Almost surely, 2^1020340067 is an apocalyptic number.

1020340067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020340067 is an equidigital number, since it uses as much as digits as its factorization.

1020340067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1020340067 is about 31942.7623570661. The cubic root of 1020340067 is about 1006.7345661382.

Adding to 1020340067 its reverse (7600430201), we get a palindrome (8620770268).

The spelling of 1020340067 in words is "one billion, twenty million, three hundred forty thousand, sixty-seven".