1294105663 has 2 divisors, whose sum is σ = 1294105664. Its totient is φ = 1294105662.

The previous prime is 1294105601. The next prime is 1294105691. The reversal of 1294105663 is 3665014921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1294105663 - 2¹³ = 1294097471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1294105363) 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, 647052831 + 647052832.

It is an arithmetic number, because the mean of its divisors is an integer number (647052832).

Almost surely, 2^1294105663 is an apocalyptic number.

1294105663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1294105663 is an equidigital number, since it uses as much as digits as its factorization.

1294105663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 1294105663 is about 35973.6801425709. The cubic root of 1294105663 is about 1089.7408869823.

The spelling of 1294105663 in words is "one billion, two hundred ninety-four million, one hundred five thousand, six hundred sixty-three".