121704043 has 2 divisors, whose sum is σ = 121704044. Its totient is φ = 121704042.

The previous prime is 121704001. The next prime is 121704049. The reversal of 121704043 is 340407121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121704043 - 2¹³ = 121695851 is a prime.

It is not a weakly prime, because it can be changed into another prime (121704049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60852021 + 60852022.

It is an arithmetic number, because the mean of its divisors is an integer number (60852022).

Almost surely, 2^121704043 is an apocalyptic number.

121704043 is a deficient number, since it is larger than the sum of its proper divisors (1).

121704043 is an equidigital number, since it uses as much as digits as its factorization.

121704043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 121704043 is about 11031.9555383441. The cubic root of 121704043 is about 495.5661895333.

The spelling of 121704043 in words is "one hundred twenty-one million, seven hundred four thousand, forty-three".