1264717147 has 2 divisors, whose sum is σ = 1264717148. Its totient is φ = 1264717146.

The previous prime is 1264717141. The next prime is 1264717171. The reversal of 1264717147 is 7417174621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1264717147 - 2¹⁹ = 1264192859 is a prime.

It is not a weakly prime, because it can be changed into another prime (1264717141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632358573 + 632358574.

It is an arithmetic number, because the mean of its divisors is an integer number (632358574).

Almost surely, 2^1264717147 is an apocalyptic number.

1264717147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264717147 is an equidigital number, since it uses as much as digits as its factorization.

1264717147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65856, while the sum is 40.

The square root of 1264717147 is about 35562.8619067701. The cubic root of 1264717147 is about 1081.4284787090.

The spelling of 1264717147 in words is "one billion, two hundred sixty-four million, seven hundred seventeen thousand, one hundred forty-seven".