103778107 has 4 divisors (see below), whose sum is σ = 103896520. Its totient is φ = 103659696.

The previous prime is 103778089. The next prime is 103778119. The reversal of 103778107 is 701877301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 701877301 = 379 ⋅1851919.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103778107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103778197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57882 + ... + 59647.

It is an arithmetic number, because the mean of its divisors is an integer number (25974130).

Almost surely, 2^103778107 is an apocalyptic number.

103778107 is a deficient number, since it is larger than the sum of its proper divisors (118413).

103778107 is an equidigital number, since it uses as much as digits as its factorization.

103778107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118412.

The product of its (nonzero) digits is 8232, while the sum is 34.

The square root of 103778107 is about 10187.1540186649. The cubic root of 103778107 is about 469.9322476654.

The spelling of 103778107 in words is "one hundred three million, seven hundred seventy-eight thousand, one hundred seven".