103870 has 32 divisors (see below), whose sum is σ = 217728. Its totient is φ = 35328.

The previous prime is 103867. The next prime is 103889. The reversal of 103870 is 78301.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2187 + ... + 2233.

It is an arithmetic number, because the mean of its divisors is an integer number (6804).

2¹⁰³⁸⁷⁰ is an apocalyptic number.

103870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103870 is an abundant number, since it is smaller than the sum of its proper divisors (113858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103870 is a wasteful number, since it uses less digits than its factorization.

103870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84.

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

The square root of 103870 is about 322.2886904624. The cubic root of 103870 is about 47.0070911287.

The spelling of 103870 in words is "one hundred three thousand, eight hundred seventy".