8157103 has 4 divisors (see below), whose sum is σ = 8290888. Its totient is φ = 8023320.

The previous prime is 8157101. The next prime is 8157109. The reversal of 8157103 is 3017518.

8157103 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8157103 - 2¹ = 8157101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8157101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66801 + ... + 66922.

It is an arithmetic number, because the mean of its divisors is an integer number (2072722).

Almost surely, 2^8157103 is an apocalyptic number.

8157103 is a deficient number, since it is larger than the sum of its proper divisors (133785).

8157103 is a wasteful number, since it uses less digits than its factorization.

8157103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133784.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 8157103 is about 2856.0642499776. The cubic root of 8157103 is about 201.3007140430.

The spelling of 8157103 in words is "eight million, one hundred fifty-seven thousand, one hundred three".