103680187 has 4 divisors (see below), whose sum is σ = 111655600. Its totient is φ = 95704776.

The previous prime is 103680139. The next prime is 103680209. The reversal of 103680187 is 781086301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103680187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103681187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3987687 + ... + 3987712.

It is an arithmetic number, because the mean of its divisors is an integer number (27913900).

Almost surely, 2^103680187 is an apocalyptic number.

103680187 is a deficient number, since it is larger than the sum of its proper divisors (7975413).

103680187 is an equidigital number, since it uses as much as digits as its factorization.

103680187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7975412.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 103680187 is about 10182.3468316494. The cubic root of 103680187 is about 469.7843993785.

The spelling of 103680187 in words is "one hundred three million, six hundred eighty thousand, one hundred eighty-seven".