108281091 has 8 divisors (see below), whose sum is σ = 147446784. Its totient is φ = 70651400.

The previous prime is 108281077. The next prime is 108281141. The reversal of 108281091 is 190182801.

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

It is a cyclic number.

It is not a de Polignac number, because 108281091 - 2⁶ = 108281027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108281021) 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 7 ways as a sum of consecutive naturals, for example, 383835 + ... + 384116.

It is an arithmetic number, because the mean of its divisors is an integer number (18430848).

Almost surely, 2^108281091 is an apocalyptic number.

108281091 is a deficient number, since it is larger than the sum of its proper divisors (39165693).

108281091 is an equidigital number, since it uses as much as digits as its factorization.

108281091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768001.

The product of its (nonzero) digits is 1152, while the sum is 30.

The square root of 108281091 is about 10405.8200541812. The cubic root of 108281091 is about 476.6331096616.

The spelling of 108281091 in words is "one hundred eight million, two hundred eighty-one thousand, ninety-one".