387103 has 4 divisors (see below), whose sum is σ = 388368. Its totient is φ = 385840.

The previous prime is 387089. The next prime is 387109. The reversal of 387103 is 301783.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 301783 = 23 ⋅13121.

It is a cyclic number.

It is not a de Polignac number, because 387103 - 2⁵ = 387071 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387109) 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, 150 + ... + 892.

It is an arithmetic number, because the mean of its divisors is an integer number (97092).

2³⁸⁷¹⁰³ is an apocalyptic number.

387103 is a deficient number, since it is larger than the sum of its proper divisors (1265).

387103 is an equidigital number, since it uses as much as digits as its factorization.

387103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 387103 is about 622.1760201101. The cubic root of 387103 is about 72.8800808389.

Adding to 387103 its reverse (301783), we get a palindrome (688886).

The spelling of 387103 in words is "three hundred eighty-seven thousand, one hundred three".