841490101 has 2 divisors, whose sum is σ = 841490102. Its totient is φ = 841490100.

The previous prime is 841490099. The next prime is 841490173. The reversal of 841490101 is 101094148.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 690323076 + 151167025 = 26274^2 + 12295^2 .

It is a cyclic number.

It is not a de Polignac number, because 841490101 - 2¹ = 841490099 is a prime.

Together with 841490099, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 841490101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (841490201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420745050 + 420745051.

It is an arithmetic number, because the mean of its divisors is an integer number (420745051).

Almost surely, 2^841490101 is an apocalyptic number.

It is an amenable number.

841490101 is a deficient number, since it is larger than the sum of its proper divisors (1).

841490101 is an equidigital number, since it uses as much as digits as its factorization.

841490101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 841490101 is about 29008.4487865174. The cubic root of 841490101 is about 944.0963903328.

The spelling of 841490101 in words is "eight hundred forty-one million, four hundred ninety thousand, one hundred one".