103891169 has 2 divisors, whose sum is σ = 103891170. Its totient is φ = 103891168.

The previous prime is 103891141. The next prime is 103891187. The reversal of 103891169 is 961198301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95550625 + 8340544 = 9775^2 + 2888^2 .

It is a cyclic number.

It is not a de Polignac number, because 103891169 - 2¹² = 103887073 is a prime.

It is a super-2 number, since 2×103891169² = 21586749992373122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103891189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51945584 + 51945585.

It is an arithmetic number, because the mean of its divisors is an integer number (51945585).

Almost surely, 2^103891169 is an apocalyptic number.

It is an amenable number.

103891169 is a deficient number, since it is larger than the sum of its proper divisors (1).

103891169 is an equidigital number, since it uses as much as digits as its factorization.

103891169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 103891169 is about 10192.7017517437. The cubic root of 103891169 is about 470.1028430448.

The spelling of 103891169 in words is "one hundred three million, eight hundred ninety-one thousand, one hundred sixty-nine".