201841147 has 2 divisors, whose sum is σ = 201841148. Its totient is φ = 201841146.

The previous prime is 201841121. The next prime is 201841193. The reversal of 201841147 is 741148102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201841147 - 2¹⁹ = 201316859 is a prime.

It is a super-3 number, since 3×201841147³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (201841747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100920573 + 100920574.

It is an arithmetic number, because the mean of its divisors is an integer number (100920574).

Almost surely, 2^201841147 is an apocalyptic number.

201841147 is a deficient number, since it is larger than the sum of its proper divisors (1).

201841147 is an equidigital number, since it uses as much as digits as its factorization.

201841147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 201841147 is about 14207.0808753945. The cubic root of 201841147 is about 586.5925845175.

Adding to 201841147 its reverse (741148102), we get a palindrome (942989249).

The spelling of 201841147 in words is "two hundred one million, eight hundred forty-one thousand, one hundred forty-seven".