108603521 has 16 divisors (see below), whose sum is σ = 121551360. Its totient is φ = 96344640.

The previous prime is 108603503. The next prime is 108603527. The reversal of 108603521 is 125306801.

It is a cyclic number.

It is not a de Polignac number, because 108603521 - 2⁶ = 108603457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (108603527) 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 15 ways as a sum of consecutive naturals, for example, 101636 + ... + 102698.

It is an arithmetic number, because the mean of its divisors is an integer number (7596960).

Almost surely, 2^108603521 is an apocalyptic number.

It is an amenable number.

108603521 is a deficient number, since it is larger than the sum of its proper divisors (12947839).

108603521 is a wasteful number, since it uses less digits than its factorization.

108603521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 108603521 is about 10421.3013102971. The cubic root of 108603521 is about 477.1057330435.

The spelling of 108603521 in words is "one hundred eight million, six hundred three thousand, five hundred twenty-one".