201064 has 16 divisors (see below), whose sum is σ = 386820. Its totient is φ = 97920.

The previous prime is 201049. The next prime is 201073. The reversal of 201064 is 460102.

It can be written as a sum of positive squares in 2 ways, for example, as 128164 + 72900 = 358^2 + 270^2 .

It is a congruent number.

It is an unprimeable number.

201064 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22 + ... + 634.

2²⁰¹⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

201064 is a deficient number, since it is larger than the sum of its proper divisors (185756).

201064 is a wasteful number, since it uses less digits than its factorization.

201064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 201064 is about 448.4016057063. The cubic root of 201064 is about 58.5838765645.

Adding to 201064 its reverse (460102), we get a palindrome (661166).

The spelling of 201064 in words is "two hundred one thousand, sixty-four".