103684157 has 2 divisors, whose sum is σ = 103684158. Its totient is φ = 103684156.

The previous prime is 103684153. The next prime is 103684169. The reversal of 103684157 is 751486301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78393316 + 25290841 = 8854^2 + 5029^2 .

It is an emirp because it is prime and its reverse (751486301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103684157 - 2² = 103684153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103684151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51842078 + 51842079.

It is an arithmetic number, because the mean of its divisors is an integer number (51842079).

Almost surely, 2^103684157 is an apocalyptic number.

It is an amenable number.

103684157 is a deficient number, since it is larger than the sum of its proper divisors (1).

103684157 is an equidigital number, since it uses as much as digits as its factorization.

103684157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 103684157 is about 10182.5417750187. The cubic root of 103684157 is about 469.7903954462.

The spelling of 103684157 in words is "one hundred three million, six hundred eighty-four thousand, one hundred fifty-seven".