103839125 has 16 divisors (see below), whose sum is σ = 139561968. Its totient is φ = 76680000.

The previous prime is 103839091. The next prime is 103839139. The reversal of 103839125 is 521938301.

It can be written as a sum of positive squares in 8 ways, for example, as 26275876 + 77563249 = 5126^2 + 8807^2 .

It is not a de Polignac number, because 103839125 - 2⁶ = 103839061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103839091 and 103839100.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 30326 + ... + 33575.

It is an arithmetic number, because the mean of its divisors is an integer number (8722623).

Almost surely, 2^103839125 is an apocalyptic number.

It is an amenable number.

103839125 is a deficient number, since it is larger than the sum of its proper divisors (35722843).

103839125 is an equidigital number, since it uses as much as digits as its factorization.

103839125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63929 (or 63919 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 103839125 is about 10190.1484287522. The cubic root of 103839125 is about 470.0243310175.

The spelling of 103839125 in words is "one hundred three million, eight hundred thirty-nine thousand, one hundred twenty-five".