1298980211 has 2 divisors, whose sum is σ = 1298980212. Its totient is φ = 1298980210.

The previous prime is 1298980169. The next prime is 1298980229. The reversal of 1298980211 is 1120898921.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1120898921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1298980211 - 2⁶ = 1298980147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1298980231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649490105 + 649490106.

It is an arithmetic number, because the mean of its divisors is an integer number (649490106).

Almost surely, 2^1298980211 is an apocalyptic number.

1298980211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1298980211 is an equidigital number, since it uses as much as digits as its factorization.

1298980211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 41.

The square root of 1298980211 is about 36041.3680511714. The cubic root of 1298980211 is about 1091.1074262372.

The spelling of 1298980211 in words is "one billion, two hundred ninety-eight million, nine hundred eighty thousand, two hundred eleven".