104242069 has 2 divisors, whose sum is σ = 104242070. Its totient is φ = 104242068.

The previous prime is 104242031. The next prime is 104242087. The reversal of 104242069 is 960242401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79887844 + 24354225 = 8938^2 + 4935^2 .

It is an emirp because it is prime and its reverse (960242401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104242069 - 2¹⁷ = 104110997 is a prime.

It is a super-2 number, since 2×104242069² = 21732817898801522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104242009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52121034 + 52121035.

It is an arithmetic number, because the mean of its divisors is an integer number (52121035).

Almost surely, 2^104242069 is an apocalyptic number.

It is an amenable number.

104242069 is a deficient number, since it is larger than the sum of its proper divisors (1).

104242069 is an equidigital number, since it uses as much as digits as its factorization.

104242069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 104242069 is about 10209.9005382031. The cubic root of 104242069 is about 470.6315171579.

The spelling of 104242069 in words is "one hundred four million, two hundred forty-two thousand, sixty-nine".