98851121 has 2 divisors, whose sum is σ = 98851122. Its totient is φ = 98851120.

The previous prime is 98851097. The next prime is 98851127. The reversal of 98851121 is 12115889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88360000 + 10491121 = 9400^2 + 3239^2 .

It is an emirp because it is prime and its reverse (12115889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98851121 - 2¹⁴ = 98834737 is a prime.

It is not a weakly prime, because it can be changed into another prime (98851127) 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 as a sum of consecutive naturals, namely, 49425560 + 49425561.

It is an arithmetic number, because the mean of its divisors is an integer number (49425561).

Almost surely, 2^98851121 is an apocalyptic number.

It is an amenable number.

98851121 is a deficient number, since it is larger than the sum of its proper divisors (1).

98851121 is an equidigital number, since it uses as much as digits as its factorization.

98851121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 35.

The square root of 98851121 is about 9942.3901049999. The cubic root of 98851121 is about 462.3744909984.

The spelling of 98851121 in words is "ninety-eight million, eight hundred fifty-one thousand, one hundred twenty-one".