9903125 has 12 divisors (see below), whose sum is σ = 12382020. Its totient is φ = 7920000.

The previous prime is 9903109. The next prime is 9903149. The reversal of 9903125 is 5213099.

9903125 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 6666724 + 3236401 = 2582^2 + 1799^2 .

It is not a de Polignac number, because 9903125 - 2⁴ = 9903109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1541 + ... + 4709.

It is an arithmetic number, because the mean of its divisors is an integer number (1031835).

Almost surely, 2^9903125 is an apocalyptic number.

It is an amenable number.

9903125 is a deficient number, since it is larger than the sum of its proper divisors (2478895).

9903125 is an frugal number, since it uses more digits than its factorization.

9903125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3194 (or 3174 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 9903125 is about 3146.9231004268. The cubic root of 9903125 is about 214.7455074246.

The spelling of 9903125 in words is "nine million, nine hundred three thousand, one hundred twenty-five".