1202104230161 has 2 divisors, whose sum is σ = 1202104230162. Its totient is φ = 1202104230160.

The previous prime is 1202104230137. The next prime is 1202104230221. The reversal of 1202104230161 is 1610324012021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 975908870161 + 226195360000 = 987881^2 + 475600^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202104230161 - 2⁶ = 1202104230097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202104230361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601052115080 + 601052115081.

It is an arithmetic number, because the mean of its divisors is an integer number (601052115081).

Almost surely, 2^{1202104230161} is an apocalyptic number.

It is an amenable number.

1202104230161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202104230161 is an equidigital number, since it uses as much as digits as its factorization.

1202104230161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1202104230161 its reverse (1610324012021), we get a palindrome (2812428242182).

The spelling of 1202104230161 in words is "one trillion, two hundred two billion, one hundred four million, two hundred thirty thousand, one hundred sixty-one".