108731125 has 8 divisors (see below), whose sum is σ = 135696600. Its totient is φ = 86984800.

The previous prime is 108731113. The next prime is 108731131. The reversal of 108731125 is 521137801.

It can be written as a sum of positive squares in 4 ways, for example, as 2187441 + 106543684 = 1479^2 + 10322^2 .

It is not a de Polignac number, because 108731125 - 2⁵ = 108731093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 108731093 and 108731102.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 434800 + ... + 435049.

It is an arithmetic number, because the mean of its divisors is an integer number (16962075).

Almost surely, 2^108731125 is an apocalyptic number.

It is an amenable number.

108731125 is a deficient number, since it is larger than the sum of its proper divisors (26965475).

108731125 is an frugal number, since it uses more digits than its factorization.

108731125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869864 (or 869854 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 108731125 is about 10427.4217810540. The cubic root of 108731125 is about 477.2925187972.

Adding to 108731125 its reverse (521137801), we get a palindrome (629868926).

The spelling of 108731125 in words is "one hundred eight million, seven hundred thirty-one thousand, one hundred twenty-five".