2104121207 has 2 divisors, whose sum is σ = 2104121208. Its totient is φ = 2104121206.

The previous prime is 2104121119. The next prime is 2104121221. The reversal of 2104121207 is 7021214012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2104121207 - 2⁸ = 2104120951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2104121287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052060603 + 1052060604.

It is an arithmetic number, because the mean of its divisors is an integer number (1052060604).

Almost surely, 2^2104121207 is an apocalyptic number.

2104121207 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104121207 is an equidigital number, since it uses as much as digits as its factorization.

2104121207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 2104121207 is about 45870.7009647771. The cubic root of 2104121207 is about 1281.4163210555.

Adding to 2104121207 its reverse (7021214012), we get a palindrome (9125335219).

The spelling of 2104121207 in words is "two billion, one hundred four million, one hundred twenty-one thousand, two hundred seven".