102000043 has 2 divisors, whose sum is σ = 102000044. Its totient is φ = 102000042.

The previous prime is 102000023. The next prime is 102000061. The reversal of 102000043 is 340000201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102000043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101999993 and 102000029.

It is not a weakly prime, because it can be changed into another prime (102000023) 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, 51000021 + 51000022.

It is an arithmetic number, because the mean of its divisors is an integer number (51000022).

Almost surely, 2^102000043 is an apocalyptic number.

102000043 is a deficient number, since it is larger than the sum of its proper divisors (1).

102000043 is an equidigital number, since it uses as much as digits as its factorization.

102000043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 102000043 is about 10099.5070671791. The cubic root of 102000043 is about 467.2329384924.

Adding to 102000043 its reverse (340000201), we get a palindrome (442000244).

The spelling of 102000043 in words is "one hundred two million, forty-three", and thus it is an aban number.