101998241 has 2 divisors, whose sum is σ = 101998242. Its totient is φ = 101998240.

The previous prime is 101998231. The next prime is 101998271. The reversal of 101998241 is 142899101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100080016 + 1918225 = 10004^2 + 1385^2 .

It is a cyclic number.

It is not a de Polignac number, because 101998241 - 2⁶ = 101998177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (101998231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50999120 + 50999121.

It is an arithmetic number, because the mean of its divisors is an integer number (50999121).

Almost surely, 2^101998241 is an apocalyptic number.

It is an amenable number.

101998241 is a deficient number, since it is larger than the sum of its proper divisors (1).

101998241 is an equidigital number, since it uses as much as digits as its factorization.

101998241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 101998241 is about 10099.4178545102. The cubic root of 101998241 is about 467.2301869945.

The spelling of 101998241 in words is "one hundred one million, nine hundred ninety-eight thousand, two hundred forty-one".