2104106129 has 2 divisors, whose sum is σ = 2104106130. Its totient is φ = 2104106128.

The previous prime is 2104106119. The next prime is 2104106131. The reversal of 2104106129 is 9216014012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1509477904 + 594628225 = 38852^2 + 24385^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104106129 - 2¹⁶ = 2104040593 is a prime.

It is a Sophie Germain prime.

Together with 2104106131, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2104106098 and 2104106107.

It is not a weakly prime, because it can be changed into another prime (2104106119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052053064 + 1052053065.

It is an arithmetic number, because the mean of its divisors is an integer number (1052053065).

Almost surely, 2^2104106129 is an apocalyptic number.

It is an amenable number.

2104106129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104106129 is an equidigital number, since it uses as much as digits as its factorization.

2104106129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 2104106129 is about 45870.5366112061. The cubic root of 2104106129 is about 1281.4132601987.

The spelling of 2104106129 in words is "two billion, one hundred four million, one hundred six thousand, one hundred twenty-nine".