9791125 has 32 divisors (see below), whose sum is σ = 13160160. Its totient is φ = 7257600.

The previous prime is 9791101. The next prime is 9791129. The reversal of 9791125 is 5211979.

9791125 = T₄₈₁ + T₄₈₂ + ... + T₅₅₃.

9791125 is digitally balanced in base 2, 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 16 ways, for example, as 4301476 + 5489649 = 2074^2 + 2343^2 .

It is not a de Polignac number, because 9791125 - 2¹³ = 9782933 is a prime.

It is a super-2 number, since 2×9791125² = 191732257531250, which contains 22 as substring.

9791125 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9791129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134089 + ... + 134161.

It is an arithmetic number, because the mean of its divisors is an integer number (411255).

Almost surely, 2^9791125 is an apocalyptic number.

It is an amenable number.

9791125 is a deficient number, since it is larger than the sum of its proper divisors (3369035).

9791125 is a wasteful number, since it uses less digits than its factorization.

9791125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 144 counting only the distinct ones).

The product of its digits is 5670, while the sum is 34.

The square root of 9791125 is about 3129.0773400477. The cubic root of 9791125 is about 213.9328770182.

The spelling of 9791125 in words is "nine million, seven hundred ninety-one thousand, one hundred twenty-five".