8121103 has 2 divisors, whose sum is σ = 8121104. Its totient is φ = 8121102.

The previous prime is 8121097. The next prime is 8121119. The reversal of 8121103 is 3011218.

It is an a-pointer prime, because the next prime (8121119) can be obtained adding 8121103 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8121103 - 2⁹ = 8120591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8127103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4060551 + 4060552.

It is an arithmetic number, because the mean of its divisors is an integer number (4060552).

Almost surely, 2^8121103 is an apocalyptic number.

8121103 is a deficient number, since it is larger than the sum of its proper divisors (1).

8121103 is an equidigital number, since it uses as much as digits as its factorization.

8121103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 8121103 is about 2849.7549017416. The cubic root of 8121103 is about 201.0041417263.

The spelling of 8121103 in words is "eight million, one hundred twenty-one thousand, one hundred three".