162103 has 4 divisors (see below), whose sum is σ = 165600. Its totient is φ = 158608.

The previous prime is 162091. The next prime is 162109. The reversal of 162103 is 301261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301261 = 419 ⋅719.

It is a cyclic number.

It is not a de Polignac number, because 162103 - 2⁹ = 161591 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 (162109) 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 in 3 ways as a sum of consecutive naturals, for example, 1678 + ... + 1771.

It is an arithmetic number, because the mean of its divisors is an integer number (41400).

2¹⁶²¹⁰³ is an apocalyptic number.

162103 is a deficient number, since it is larger than the sum of its proper divisors (3497).

162103 is an equidigital number, since it uses as much as digits as its factorization.

162103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3496.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 162103 is about 402.6201683970. The cubic root of 162103 is about 54.5251686349.

Adding to 162103 its reverse (301261), we get a palindrome (463364).

The spelling of 162103 in words is "one hundred sixty-two thousand, one hundred three".