2001130177 has 2 divisors, whose sum is σ = 2001130178. Its totient is φ = 2001130176.

The previous prime is 2001130151. The next prime is 2001130207. The reversal of 2001130177 is 7710311002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1226120256 + 775009921 = 35016^2 + 27839^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001130177 - 2⁷ = 2001130049 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001130127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000565088 + 1000565089.

It is an arithmetic number, because the mean of its divisors is an integer number (1000565089).

Almost surely, 2^2001130177 is an apocalyptic number.

It is an amenable number.

2001130177 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001130177 is an equidigital number, since it uses as much as digits as its factorization.

2001130177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 2001130177 is about 44733.9935284119. The cubic root of 2001130177 is about 1260.1583275049.

Adding to 2001130177 its reverse (7710311002), we get a palindrome (9711441179).

The spelling of 2001130177 in words is "two billion, one million, one hundred thirty thousand, one hundred seventy-seven".