98224121 has 2 divisors, whose sum is σ = 98224122.
Its totient is φ = 98224120.
The previous prime is 98224103. The next prime is 98224127. The reversal of 98224121 is 12142289.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 79905721 + 18318400 = 8939^2 + 4280^2
It is an emirp because it is prime and its reverse (12142289) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-98224121 is a prime.
It is a Chen prime.
It is equal to p5665106 and since 98224121 and 5665106 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (98224127) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49112060 + 49112061.
It is an arithmetic number, because the mean of its divisors is an integer number (49112061).
Almost surely, 298224121 is an apocalyptic number.
It is an amenable number.
98224121 is a deficient number, since it is larger than the sum of its proper divisors (1).
98224121 is an equidigital number, since it uses as much as digits as its factorization.
98224121 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2304, while the sum is 29.
The square root of 98224121 is about 9910.8082919609.
The cubic root of 98224121 is about 461.3948227070.
The spelling of 98224121 in words is "ninety-eight million, two hundred twenty-four thousand, one hundred twenty-one".