203041261201 has 3 divisors (see below), whose sum is σ = 203041711803. Its totient is φ = 203040810600.

The previous prime is 203041261187. The next prime is 203041261207. The reversal of 203041261201 is 102162140302.

The square root of 203041261201 is 450601.

It is a perfect power (a square), and thus also a powerful number.

203041261201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 72575821201 + 130465440000 = 269399^2 + 361200^2 .

It is not a de Polignac number, because 203041261201 - 2⁵ = 203041261169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203041261207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 225301 + ... + 675901.

It is an arithmetic number, because the mean of its divisors is an integer number (67680570601).

Almost surely, 2^203041261201 is an apocalyptic number.

203041261201 is the 450601-st square number.

203041261201 is the 225301-st centered octagonal number.

It is an amenable number.

203041261201 is a deficient number, since it is larger than the sum of its proper divisors (450602).

203041261201 is an frugal number, since it uses more digits than its factorization.

203041261201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901202 (or 450601 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Multiplying 203041261201 by its product of nonzero digits (576), we get a square (116951766451776 = 10814424²).

The spelling of 203041261201 in words is "two hundred three billion, forty-one million, two hundred sixty-one thousand, two hundred one".