1301012161 has 2 divisors, whose sum is σ = 1301012162. Its totient is φ = 1301012160.

The previous prime is 1301012117. The next prime is 1301012173. The reversal of 1301012161 is 1612101031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1273133761 + 27878400 = 35681^2 + 5280^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301012161 - 2⁷ = 1301012033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1301012101) 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, 650506080 + 650506081.

It is an arithmetic number, because the mean of its divisors is an integer number (650506081).

Almost surely, 2^1301012161 is an apocalyptic number.

It is an amenable number.

1301012161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301012161 is an equidigital number, since it uses as much as digits as its factorization.

1301012161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1301012161 is about 36069.5461712509. The cubic root of 1301012161 is about 1091.6760570980.

Adding to 1301012161 its reverse (1612101031), we get a palindrome (2913113192).

The spelling of 1301012161 in words is "one billion, three hundred one million, twelve thousand, one hundred sixty-one".