201201061 has 2 divisors, whose sum is σ = 201201062. Its totient is φ = 201201060.

The previous prime is 201201053. The next prime is 201201109. The reversal of 201201061 is 160102102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114896961 + 86304100 = 10719^2 + 9290^2 .

It is a cyclic number.

It is not a de Polignac number, because 201201061 - 2³ = 201201053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201201041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100600530 + 100600531.

It is an arithmetic number, because the mean of its divisors is an integer number (100600531).

Almost surely, 2^201201061 is an apocalyptic number.

It is an amenable number.

201201061 is a deficient number, since it is larger than the sum of its proper divisors (1).

201201061 is an equidigital number, since it uses as much as digits as its factorization.

201201061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 201201061 is about 14184.5359811310. The cubic root of 201201061 is about 585.9718532999.

Adding to 201201061 its reverse (160102102), we get a palindrome (361303163).

The spelling of 201201061 in words is "two hundred one million, two hundred one thousand, sixty-one".