108971149 has 6 divisors (see below), whose sum is σ = 126762414. Its totient is φ = 93403800.

The previous prime is 108971147. The next prime is 108971197. The reversal of 108971149 is 941179801.

It can be written as a sum of positive squares in only one way, i.e., 105884100 + 3087049 = 10290^2 + 1757^2 .

It is not a de Polignac number, because 108971149 - 2¹ = 108971147 is a prime.

It is a super-2 number, since 2×108971149² = 23749422628760402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108971147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1111902 + ... + 1111999.

It is an arithmetic number, because the mean of its divisors is an integer number (21127069).

Almost surely, 2^108971149 is an apocalyptic number.

It is an amenable number.

108971149 is a deficient number, since it is larger than the sum of its proper divisors (17791265).

108971149 is an equidigital number, since it uses as much as digits as its factorization.

108971149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223915 (or 2223908 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 40.

The square root of 108971149 is about 10438.9247051600. The cubic root of 108971149 is about 477.6434684891.

The spelling of 108971149 in words is "one hundred eight million, nine hundred seventy-one thousand, one hundred forty-nine".