201842001 has 12 divisors (see below), whose sum is σ = 301603380. Its totient is φ = 129921120.

The previous prime is 201841999. The next prime is 201842021. The reversal of 201842001 is 100248102.

201842001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 99022401 + 102819600 = 9951^2 + 10140^2 .

It is not a de Polignac number, because 201842001 - 2¹ = 201841999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201842021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 386410 + ... + 386931.

It is an arithmetic number, because the mean of its divisors is an integer number (25133615).

Almost surely, 2^201842001 is an apocalyptic number.

It is an amenable number.

201842001 is a deficient number, since it is larger than the sum of its proper divisors (99761379).

201842001 is a wasteful number, since it uses less digits than its factorization.

201842001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773376 (or 773373 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 201842001 is about 14207.1109307980. The cubic root of 201842001 is about 586.5934118172.

The spelling of 201842001 in words is "two hundred one million, eight hundred forty-two thousand, one".