108049561 has 16 divisors (see below), whose sum is σ = 119952000. Its totient is φ = 96864768.

The previous prime is 108049559. The next prime is 108049567. The reversal of 108049561 is 165940801.

It is a cyclic number.

It is not a de Polignac number, because 108049561 - 2¹ = 108049559 is a prime.

It is a Duffinian number.

108049561 is a Rhonda number in base 15.

It is not an unprimeable number, because it can be changed into a prime (108049567) 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 15 ways as a sum of consecutive naturals, for example, 41115 + ... + 43663.

It is an arithmetic number, because the mean of its divisors is an integer number (7497000).

Almost surely, 2^108049561 is an apocalyptic number.

It is an amenable number.

108049561 is a deficient number, since it is larger than the sum of its proper divisors (11902439).

108049561 is a wasteful number, since it uses less digits than its factorization.

108049561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 108049561 is about 10394.6890766391. The cubic root of 108049561 is about 476.2931499907.

The spelling of 108049561 in words is "one hundred eight million, forty-nine thousand, five hundred sixty-one".