98173129 has 2 divisors, whose sum is σ = 98173130. Its totient is φ = 98173128.

The previous prime is 98173123. The next prime is 98173151. The reversal of 98173129 is 92137189.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86062729 + 12110400 = 9277^2 + 3480^2 .

It is an emirp because it is prime and its reverse (92137189) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98173129 - 2⁹ = 98172617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98173091 and 98173100.

It is not a weakly prime, because it can be changed into another prime (98173123) 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, 49086564 + 49086565.

It is an arithmetic number, because the mean of its divisors is an integer number (49086565).

Almost surely, 2^98173129 is an apocalyptic number.

It is an amenable number.

98173129 is a deficient number, since it is larger than the sum of its proper divisors (1).

98173129 is an equidigital number, since it uses as much as digits as its factorization.

98173129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 40.

The square root of 98173129 is about 9908.2354130289. The cubic root of 98173129 is about 461.3149661603.

The spelling of 98173129 in words is "ninety-eight million, one hundred seventy-three thousand, one hundred twenty-nine".