109905061 has 8 divisors (see below), whose sum is σ = 126074880. Its totient is φ = 93852528.

The previous prime is 109905049. The next prime is 109905071. The reversal of 109905061 is 160509901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109905061 - 2⁹ = 109904549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109905071) 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 7 ways as a sum of consecutive naturals, for example, 27301 + ... + 31066.

It is an arithmetic number, because the mean of its divisors is an integer number (15759360).

Almost surely, 2^109905061 is an apocalyptic number.

It is an amenable number.

109905061 is a deficient number, since it is larger than the sum of its proper divisors (16169819).

109905061 is an equidigital number, since it uses as much as digits as its factorization.

109905061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58643.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 109905061 is about 10483.5614654563. The cubic root of 109905061 is about 479.0040997843.

The spelling of 109905061 in words is "one hundred nine million, nine hundred five thousand, sixty-one".