108000947 has 2 divisors, whose sum is σ = 108000948. Its totient is φ = 108000946.

The previous prime is 108000943. The next prime is 108000989. The reversal of 108000947 is 749000801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108000947 - 2² = 108000943 is a prime.

It is not a weakly prime, because it can be changed into another prime (108000941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54000473 + 54000474.

It is an arithmetic number, because the mean of its divisors is an integer number (54000474).

Almost surely, 2^108000947 is an apocalyptic number.

108000947 is a deficient number, since it is larger than the sum of its proper divisors (1).

108000947 is an equidigital number, since it uses as much as digits as its factorization.

108000947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 108000947 is about 10392.3504078721. The cubic root of 108000947 is about 476.2217075019.

The spelling of 108000947 in words is "one hundred eight million, nine hundred forty-seven", and thus it is an aban number.