201061205 has 16 divisors (see below), whose sum is σ = 252082800. Its totient is φ = 153753600.

The previous prime is 201061187. The next prime is 201061229. The reversal of 201061205 is 502160102.

It can be written as a sum of positive squares in 8 ways, for example, as 5564881 + 195496324 = 2359^2 + 13982^2 .

It is not a de Polignac number, because 201061205 - 2⁶ = 201061141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7781 + ... + 21509.

It is an arithmetic number, because the mean of its divisors is an integer number (15755175).

Almost surely, 2^201061205 is an apocalyptic number.

It is an amenable number.

201061205 is a deficient number, since it is larger than the sum of its proper divisors (51021595).

201061205 is a wasteful number, since it uses less digits than its factorization.

201061205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13864.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 201061205 is about 14179.6052483840. The cubic root of 201061205 is about 585.8360510418.

The spelling of 201061205 in words is "two hundred one million, sixty-one thousand, two hundred five".