2155103 has 2 divisors, whose sum is σ = 2155104. Its totient is φ = 2155102.

The previous prime is 2155079. The next prime is 2155121. The reversal of 2155103 is 3015512.

2155103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2155103 - 2¹² = 2151007 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2155133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077551 + 1077552.

It is an arithmetic number, because the mean of its divisors is an integer number (1077552).

2^2155103 is an apocalyptic number.

2155103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2155103 is an equidigital number, since it uses as much as digits as its factorization.

2155103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 2155103 is about 1468.0269071104. The cubic root of 2155103 is about 129.1683198308.

The spelling of 2155103 in words is "two million, one hundred fifty-five thousand, one hundred three".