103078889 has 2 divisors, whose sum is σ = 103078890. Its totient is φ = 103078888.

The previous prime is 103078867. The next prime is 103078891. The reversal of 103078889 is 988870301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69438889 + 33640000 = 8333^2 + 5800^2 .

It is an emirp because it is prime and its reverse (988870301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103078889 - 2¹² = 103074793 is a prime.

Together with 103078891, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103078289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51539444 + 51539445.

It is an arithmetic number, because the mean of its divisors is an integer number (51539445).

Almost surely, 2^103078889 is an apocalyptic number.

It is an amenable number.

103078889 is a deficient number, since it is larger than the sum of its proper divisors (1).

103078889 is an equidigital number, since it uses as much as digits as its factorization.

103078889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 103078889 is about 10152.7774032528. Note that the first 3 decimals coincide. The cubic root of 103078889 is about 468.8744593011.

The spelling of 103078889 in words is "one hundred three million, seventy-eight thousand, eight hundred eighty-nine".