1068141257 has 2 divisors, whose sum is σ = 1068141258. Its totient is φ = 1068141256.

The previous prime is 1068141227. The next prime is 1068141281. The reversal of 1068141257 is 7521418601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 865477561 + 202663696 = 29419^2 + 14236^2 .

It is a cyclic number.

It is not a de Polignac number, because 1068141257 - 2¹⁴ = 1068124873 is a prime.

It is a super-2 number, since 2×1068141257² = 2281851489811080098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1068141227) 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, 534070628 + 534070629.

It is an arithmetic number, because the mean of its divisors is an integer number (534070629).

Almost surely, 2^1068141257 is an apocalyptic number.

It is an amenable number.

1068141257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068141257 is an equidigital number, since it uses as much as digits as its factorization.

1068141257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 1068141257 is about 32682.4304022819. The cubic root of 1068141257 is about 1022.2165232621.

Adding to 1068141257 its reverse (7521418601), we get a palindrome (8589559858).

The spelling of 1068141257 in words is "one billion, sixty-eight million, one hundred forty-one thousand, two hundred fifty-seven".