108981227 has 4 divisors (see below), whose sum is σ = 109037640. Its totient is φ = 108924816.

The previous prime is 108981209. The next prime is 108981253. The reversal of 108981227 is 722189801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722189801 = 17 ⋅42481753.

It is a cyclic number.

It is not a de Polignac number, because 108981227 - 2¹² = 108977131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108981277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25202 + ... + 29207.

It is an arithmetic number, because the mean of its divisors is an integer number (27259410).

Almost surely, 2^108981227 is an apocalyptic number.

108981227 is a deficient number, since it is larger than the sum of its proper divisors (56413).

108981227 is an equidigital number, since it uses as much as digits as its factorization.

108981227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56412.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 108981227 is about 10439.4074065533. The cubic root of 108981227 is about 477.6581926999.

The spelling of 108981227 in words is "one hundred eight million, nine hundred eighty-one thousand, two hundred twenty-seven".