104135243 has 2 divisors, whose sum is σ = 104135244. Its totient is φ = 104135242.

The previous prime is 104135233. The next prime is 104135249. The reversal of 104135243 is 342531401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104135243 - 2¹² = 104131147 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104135249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52067621 + 52067622.

It is an arithmetic number, because the mean of its divisors is an integer number (52067622).

Almost surely, 2^104135243 is an apocalyptic number.

104135243 is a deficient number, since it is larger than the sum of its proper divisors (1).

104135243 is an equidigital number, since it uses as much as digits as its factorization.

104135243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 104135243 is about 10204.6677064959. The cubic root of 104135243 is about 470.4706963981.

Adding to 104135243 its reverse (342531401), we get a palindrome (446666644).

The spelling of 104135243 in words is "one hundred four million, one hundred thirty-five thousand, two hundred forty-three".