1298827027 has 2 divisors, whose sum is σ = 1298827028. Its totient is φ = 1298827026.

The previous prime is 1298826967. The next prime is 1298827037. The reversal of 1298827027 is 7207288921.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1298827027 - 2¹⁹ = 1298302739 is a prime.

It is not a weakly prime, because it can be changed into another prime (1298827037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649413513 + 649413514.

It is an arithmetic number, because the mean of its divisors is an integer number (649413514).

Almost surely, 2^1298827027 is an apocalyptic number.

1298827027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1298827027 is an equidigital number, since it uses as much as digits as its factorization.

1298827027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 1298827027 is about 36039.2428749551. The cubic root of 1298827027 is about 1091.0645344443.

The spelling of 1298827027 in words is "one billion, two hundred ninety-eight million, eight hundred twenty-seven thousand, twenty-seven".