109182881 has 8 divisors (see below), whose sum is σ = 109989000. Its totient is φ = 108380160.

The previous prime is 109182847. The next prime is 109182901. The reversal of 109182881 is 188281901.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23435281 + 85747600 = 4841^2 + 9260^2 .

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 109182881 - 2²⁶ = 42074017 is a prime.

It is a super-2 number, since 2×109182881² = 23841803006920322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109182811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107705 + ... + 108713.

It is an arithmetic number, because the mean of its divisors is an integer number (13748625).

Almost surely, 2^109182881 is an apocalyptic number.

It is an amenable number.

109182881 is a deficient number, since it is larger than the sum of its proper divisors (806119).

109182881 is a wasteful number, since it uses less digits than its factorization.

109182881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699.

The product of its (nonzero) digits is 9216, while the sum is 38.

The square root of 109182881 is about 10449.0612497009. The cubic root of 109182881 is about 477.9526236432.

The spelling of 109182881 in words is "one hundred nine million, one hundred eighty-two thousand, eight hundred eighty-one".