108520387 has 2 divisors, whose sum is σ = 108520388. Its totient is φ = 108520386.

The previous prime is 108520337. The next prime is 108520393. The reversal of 108520387 is 783025801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108520387 - 2¹⁹ = 107996099 is a prime.

It is not a weakly prime, because it can be changed into another prime (108520337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54260193 + 54260194.

It is an arithmetic number, because the mean of its divisors is an integer number (54260194).

Almost surely, 2^108520387 is an apocalyptic number.

108520387 is a deficient number, since it is larger than the sum of its proper divisors (1).

108520387 is an equidigital number, since it uses as much as digits as its factorization.

108520387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 108520387 is about 10417.3118893503. The cubic root of 108520387 is about 476.9839634098.

The spelling of 108520387 in words is "one hundred eight million, five hundred twenty thousand, three hundred eighty-seven".