103784778241 has 4 divisors (see below), whose sum is σ = 103964648452. Its totient is φ = 103604908032.

The previous prime is 103784778233. The next prime is 103784778277. The reversal of 103784778241 is 142877487301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142877487301 = 197 ⋅725266433.

It can be written as a sum of positive squares in 2 ways, for example, as 97531290000 + 6253488241 = 312300^2 + 79079^2 .

It is a cyclic number.

It is not a de Polignac number, because 103784778241 - 2³ = 103784778233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103784778211) 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 3 ways as a sum of consecutive naturals, for example, 89934240 + ... + 89935393.

It is an arithmetic number, because the mean of its divisors is an integer number (25991162113).

Almost surely, 2^103784778241 is an apocalyptic number.

It is an amenable number.

103784778241 is a deficient number, since it is larger than the sum of its proper divisors (179870211).

103784778241 is an equidigital number, since it uses as much as digits as its factorization.

103784778241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179870210.

The product of its (nonzero) digits is 2107392, while the sum is 52.

The spelling of 103784778241 in words is "one hundred three billion, seven hundred eighty-four million, seven hundred seventy-eight thousand, two hundred forty-one".