109778941 has 8 divisors (see below), whose sum is σ = 115690400. Its totient is φ = 103880880.

The previous prime is 109778939. The next prime is 109778951. The reversal of 109778941 is 149877901.

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 109778941 - 2¹ = 109778939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109778891 and 109778900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109778951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16570 + ... + 22228.

It is an arithmetic number, because the mean of its divisors is an integer number (14461300).

Almost surely, 2^109778941 is an apocalyptic number.

It is an amenable number.

109778941 is a deficient number, since it is larger than the sum of its proper divisors (5911459).

109778941 is a wasteful number, since it uses less digits than its factorization.

109778941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6699.

The product of its (nonzero) digits is 127008, while the sum is 46.

The square root of 109778941 is about 10477.5446073973. The cubic root of 109778941 is about 478.8208048582.

The spelling of 109778941 in words is "one hundred nine million, seven hundred seventy-eight thousand, nine hundred forty-one".