104278243 has 2 divisors, whose sum is σ = 104278244. Its totient is φ = 104278242.

The previous prime is 104278177. The next prime is 104278259. The reversal of 104278243 is 342872401.

It is a strong prime.

It is an emirp because it is prime and its reverse (342872401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104278243 - 2¹⁷ = 104147171 is a prime.

It is not a weakly prime, because it can be changed into another prime (104278283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52139121 + 52139122.

It is an arithmetic number, because the mean of its divisors is an integer number (52139122).

Almost surely, 2^104278243 is an apocalyptic number.

104278243 is a deficient number, since it is larger than the sum of its proper divisors (1).

104278243 is an equidigital number, since it uses as much as digits as its factorization.

104278243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 104278243 is about 10211.6719003305. The cubic root of 104278243 is about 470.6859502537.

The spelling of 104278243 in words is "one hundred four million, two hundred seventy-eight thousand, two hundred forty-three".