1264145017 has 2 divisors, whose sum is σ = 1264145018. Its totient is φ = 1264145016.

The previous prime is 1264145011. The next prime is 1264145023. The reversal of 1264145017 is 7105414621.

It is a balanced prime because it is at equal distance from previous prime (1264145011) and next prime (1264145023).

It can be written as a sum of positive squares in only one way, i.e., 1242139536 + 22005481 = 35244^2 + 4691^2 .

It is a cyclic number.

It is not a de Polignac number, because 1264145017 - 2²⁷ = 1129927289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1264145017.

It is not a weakly prime, because it can be changed into another prime (1264145011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632072508 + 632072509.

It is an arithmetic number, because the mean of its divisors is an integer number (632072509).

Almost surely, 2^1264145017 is an apocalyptic number.

It is an amenable number.

1264145017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264145017 is an equidigital number, since it uses as much as digits as its factorization.

1264145017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1264145017 is about 35554.8170716712. The cubic root of 1264145017 is about 1081.2653826896.

Adding to 1264145017 its reverse (7105414621), we get a palindrome (8369559638).

The spelling of 1264145017 in words is "one billion, two hundred sixty-four million, one hundred forty-five thousand, seventeen".