103147189 has 2 divisors, whose sum is σ = 103147190. Its totient is φ = 103147188.

The previous prime is 103147151. The next prime is 103147217. The reversal of 103147189 is 981741301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102212100 + 935089 = 10110^2 + 967^2 .

It is a cyclic number.

It is not a de Polignac number, because 103147189 - 2¹⁷ = 103016117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103147589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51573594 + 51573595.

It is an arithmetic number, because the mean of its divisors is an integer number (51573595).

Almost surely, 2^103147189 is an apocalyptic number.

It is an amenable number.

103147189 is a deficient number, since it is larger than the sum of its proper divisors (1).

103147189 is an equidigital number, since it uses as much as digits as its factorization.

103147189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 103147189 is about 10156.1404578708. The cubic root of 103147189 is about 468.9779950669.

The spelling of 103147189 in words is "one hundred three million, one hundred forty-seven thousand, one hundred eighty-nine".