109562081 has 4 divisors (see below), whose sum is σ = 109596564. Its totient is φ = 109527600.

The previous prime is 109562071. The next prime is 109562083. The reversal of 109562081 is 180265901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 180265901 = 19 ⋅9487679.

It can be written as a sum of positive squares in 2 ways, for example, as 38328481 + 71233600 = 6191^2 + 8440^2 .

It is a cyclic number.

It is not a de Polignac number, because 109562081 - 2²² = 105367777 is a prime.

It is a super-2 number, since 2×109562081² = 24007699186101122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109562083) 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 3 ways as a sum of consecutive naturals, for example, 11930 + ... + 19011.

It is an arithmetic number, because the mean of its divisors is an integer number (27399141).

Almost surely, 2^109562081 is an apocalyptic number.

It is an amenable number.

109562081 is a deficient number, since it is larger than the sum of its proper divisors (34483).

109562081 is an equidigital number, since it uses as much as digits as its factorization.

109562081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34482.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 109562081 is about 10467.1906928268. The cubic root of 109562081 is about 478.5053055829.

The spelling of 109562081 in words is "one hundred nine million, five hundred sixty-two thousand, eighty-one".