104130989 has 2 divisors, whose sum is σ = 104130990. Its totient is φ = 104130988.

The previous prime is 104130941. The next prime is 104130997. The reversal of 104130989 is 989031401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69438889 + 34692100 = 8333^2 + 5890^2 .

It is an emirp because it is prime and its reverse (989031401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104130989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104130919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52065494 + 52065495.

It is an arithmetic number, because the mean of its divisors is an integer number (52065495).

Almost surely, 2^104130989 is an apocalyptic number.

It is an amenable number.

104130989 is a deficient number, since it is larger than the sum of its proper divisors (1).

104130989 is an equidigital number, since it uses as much as digits as its factorization.

104130989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 104130989 is about 10204.4592703386. The cubic root of 104130989 is about 470.4642899548.

The spelling of 104130989 in words is "one hundred four million, one hundred thirty thousand, nine hundred eighty-nine".