87103 has 2 divisors, whose sum is σ = 87104. Its totient is φ = 87102.

The previous prime is 87083. The next prime is 87107. The reversal of 87103 is 30178.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87103 - 2⁵ = 87071 is a prime.

It is an Ulam number.

87103 is a lucky number.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43551 + 43552.

It is an arithmetic number, because the mean of its divisors is an integer number (43552).

2⁸⁷¹⁰³ is an apocalyptic number.

87103 is a deficient number, since it is larger than the sum of its proper divisors (1).

87103 is an equidigital number, since it uses as much as digits as its factorization.

87103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 87103 is about 295.1321737798. The cubic root of 87103 is about 44.3279558304.

It can be divided in two parts, 87 and 103, that added together give a triangular number (190 = T₁₉).

The spelling of 87103 in words is "eighty-seven thousand, one hundred three".