9788125 has 10 divisors (see below), whose sum is σ = 12232022. Its totient is φ = 7830000.

The previous prime is 9788113. The next prime is 9788137. The reversal of 9788125 is 5218879.

It is an interprime number because it is at equal distance from previous prime (9788113) and next prime (9788137).

It can be written as a sum of positive squares in 5 ways, for example, as 1038361 + 8749764 = 1019^2 + 2958^2 .

It is not a de Polignac number, because 9788125 - 2⁷ = 9787997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7206 + ... + 8455.

Almost surely, 2^9788125 is an apocalyptic number.

It is an amenable number.

9788125 is a deficient number, since it is larger than the sum of its proper divisors (2443897).

9788125 is an equidigital number, since it uses as much as digits as its factorization.

9788125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15681 (or 15666 counting only the distinct ones).

The product of its digits is 40320, while the sum is 40.

The square root of 9788125 is about 3128.5979287854. The cubic root of 9788125 is about 213.9110251135.

The spelling of 9788125 in words is "nine million, seven hundred eighty-eight thousand, one hundred twenty-five".