109122361 has 8 divisors (see below), whose sum is σ = 114806664. Its totient is φ = 103582080.

The previous prime is 109122359. The next prime is 109122383. The reversal of 109122361 is 163221901.

It can be written as a sum of positive squares in 4 ways, for example, as 24336 + 109098025 = 156^2 + 10445^2 .

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 109122361 - 2¹ = 109122359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109122061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34450 + ... + 37483.

It is an arithmetic number, because the mean of its divisors is an integer number (14350833).

Almost surely, 2^109122361 is an apocalyptic number.

It is an amenable number.

109122361 is a deficient number, since it is larger than the sum of its proper divisors (5684303).

109122361 is an equidigital number, since it uses as much as digits as its factorization.

109122361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72011.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 109122361 is about 10446.1648943524. The cubic root of 109122361 is about 477.8642977119.

The spelling of 109122361 in words is "one hundred nine million, one hundred twenty-two thousand, three hundred sixty-one".