103778105 has 8 divisors (see below), whose sum is σ = 124605000. Its totient is φ = 82974976.

The previous prime is 103778089. The next prime is 103778119. The reversal of 103778105 is 501877301.

It can be written as a sum of positive squares in 4 ways, for example, as 3136 + 103774969 = 56^2 + 10187^2 .

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 103778105 - 2⁴ = 103778089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5771 + ... + 15519.

It is an arithmetic number, because the mean of its divisors is an integer number (15575625).

Almost surely, 2^103778105 is an apocalyptic number.

It is an amenable number.

103778105 is a deficient number, since it is larger than the sum of its proper divisors (20826895).

103778105 is an equidigital number, since it uses as much as digits as its factorization.

103778105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11883.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 103778105 is about 10187.1539205020. The cubic root of 103778105 is about 469.9322446466.

The spelling of 103778105 in words is "one hundred three million, seven hundred seventy-eight thousand, one hundred five".