201130777 has 2 divisors, whose sum is σ = 201130778. Its totient is φ = 201130776.

The previous prime is 201130771. The next prime is 201130799. The reversal of 201130777 is 777031102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145419481 + 55711296 = 12059^2 + 7464^2 .

It is a cyclic number.

It is not a de Polignac number, because 201130777 - 2⁷ = 201130649 is a prime.

It is not a weakly prime, because it can be changed into another prime (201130771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100565388 + 100565389.

It is an arithmetic number, because the mean of its divisors is an integer number (100565389).

Almost surely, 2^201130777 is an apocalyptic number.

It is an amenable number.

201130777 is a deficient number, since it is larger than the sum of its proper divisors (1).

201130777 is an equidigital number, since it uses as much as digits as its factorization.

201130777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2058, while the sum is 28.

The square root of 201130777 is about 14182.0582779793. The cubic root of 201130777 is about 585.9036143585.

Adding to 201130777 its reverse (777031102), we get a palindrome (978161879).

The spelling of 201130777 in words is "two hundred one million, one hundred thirty thousand, seven hundred seventy-seven".