99148117 has 2 divisors, whose sum is σ = 99148118. Its totient is φ = 99148116.

The previous prime is 99148111. The next prime is 99148171. The reversal of 99148117 is 71184199.

Together with next prime (99148171) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98684356 + 463761 = 9934^2 + 681^2 .

It is an emirp because it is prime and its reverse (71184199) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99148117 - 2¹⁹ = 98623829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99148117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99148111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49574058 + 49574059.

It is an arithmetic number, because the mean of its divisors is an integer number (49574059).

Almost surely, 2^99148117 is an apocalyptic number.

It is an amenable number.

99148117 is a deficient number, since it is larger than the sum of its proper divisors (1).

99148117 is an equidigital number, since it uses as much as digits as its factorization.

99148117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 40.

The square root of 99148117 is about 9957.3147484651. The cubic root of 99148117 is about 462.8370926485.

The spelling of 99148117 in words is "ninety-nine million, one hundred forty-eight thousand, one hundred seventeen".