98127109 has 4 divisors (see below), whose sum is σ = 98147340. Its totient is φ = 98106880.

The previous prime is 98127103. The next prime is 98127143. The reversal of 98127109 is 90172189.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7306209 + 90820900 = 2703^2 + 9530^2 .

It is a cyclic number.

It is not a de Polignac number, because 98127109 - 2¹⁵ = 98094341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98127103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1989 + ... + 14149.

It is an arithmetic number, because the mean of its divisors is an integer number (24536835).

Almost surely, 2^98127109 is an apocalyptic number.

It is an amenable number.

98127109 is a deficient number, since it is larger than the sum of its proper divisors (20231).

98127109 is a wasteful number, since it uses less digits than its factorization.

98127109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20230.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 98127109 is about 9905.9128302242. The cubic root of 98127109 is about 461.2428723227.

The spelling of 98127109 in words is "ninety-eight million, one hundred twenty-seven thousand, one hundred nine".