103686047 has 4 divisors (see below), whose sum is σ = 108194160. Its totient is φ = 99177936.

The previous prime is 103686019. The next prime is 103686053. The reversal of 103686047 is 740686301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103686047 - 2¹² = 103681951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103685998 and 103686016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103686017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2254022 + ... + 2254067.

It is an arithmetic number, because the mean of its divisors is an integer number (27048540).

Almost surely, 2^103686047 is an apocalyptic number.

103686047 is a deficient number, since it is larger than the sum of its proper divisors (4508113).

103686047 is an equidigital number, since it uses as much as digits as its factorization.

103686047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508112.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 103686047 is about 10182.6345805003. The cubic root of 103686047 is about 469.7932499435.

The spelling of 103686047 in words is "one hundred three million, six hundred eighty-six thousand, forty-seven".