2105403107 has 2 divisors, whose sum is σ = 2105403108. Its totient is φ = 2105403106.

The previous prime is 2105403101. The next prime is 2105403197. The reversal of 2105403107 is 7013045012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2105403107 - 2¹⁶ = 2105337571 is a prime.

It is not a weakly prime, because it can be changed into another prime (2105403101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052701553 + 1052701554.

It is an arithmetic number, because the mean of its divisors is an integer number (1052701554).

Almost surely, 2^2105403107 is an apocalyptic number.

2105403107 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105403107 is an equidigital number, since it uses as much as digits as its factorization.

2105403107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2105403107 is about 45884.6718087860. The cubic root of 2105403107 is about 1281.6764952483.

Adding to 2105403107 its reverse (7013045012), we get a palindrome (9118448119).

The spelling of 2105403107 in words is "two billion, one hundred five million, four hundred three thousand, one hundred seven".