1298113 has 2 divisors, whose sum is σ = 1298114. Its totient is φ = 1298112.

The previous prime is 1298111. The next prime is 1298117. The reversal of 1298113 is 3118921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1098304 + 199809 = 1048^2 + 447^2 .

It is a cyclic number.

It is not a de Polignac number, because 1298113 - 2¹ = 1298111 is a prime.

Together with 1298111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1298111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649056 + 649057.

It is an arithmetic number, because the mean of its divisors is an integer number (649057).

2^1298113 is an apocalyptic number.

It is an amenable number.

1298113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1298113 is an equidigital number, since it uses as much as digits as its factorization.

1298113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 25.

The square root of 1298113 is about 1139.3476203512. The cubic root of 1298113 is about 109.0864561103.

The spelling of 1298113 in words is "one million, two hundred ninety-eight thousand, one hundred thirteen".