2125918103 has 2 divisors, whose sum is σ = 2125918104. Its totient is φ = 2125918102.

The previous prime is 2125918073. The next prime is 2125918111. The reversal of 2125918103 is 3018195212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2125918103 - 2¹⁴ = 2125901719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2125918103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125918163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062959051 + 1062959052.

It is an arithmetic number, because the mean of its divisors is an integer number (1062959052).

Almost surely, 2^2125918103 is an apocalyptic number.

2125918103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125918103 is an equidigital number, since it uses as much as digits as its factorization.

2125918103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 2125918103 is about 46107.6794362935. The cubic root of 2125918103 is about 1285.8259217169.

The spelling of 2125918103 in words is "two billion, one hundred twenty-five million, nine hundred eighteen thousand, one hundred three".