201424147 has 2 divisors, whose sum is σ = 201424148. Its totient is φ = 201424146.

The previous prime is 201424129. The next prime is 201424217. The reversal of 201424147 is 741424102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201424147 - 2¹⁹ = 200899859 is a prime.

It is not a weakly prime, because it can be changed into another prime (201424117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100712073 + 100712074.

It is an arithmetic number, because the mean of its divisors is an integer number (100712074).

Almost surely, 2^201424147 is an apocalyptic number.

201424147 is a deficient number, since it is larger than the sum of its proper divisors (1).

201424147 is an equidigital number, since it uses as much as digits as its factorization.

201424147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 201424147 is about 14192.3975071163. The cubic root of 201424147 is about 586.1883429352.

Adding to 201424147 its reverse (741424102), we get a palindrome (942848249).

The spelling of 201424147 in words is "two hundred one million, four hundred twenty-four thousand, one hundred forty-seven".