9771125 has 32 divisors (see below), whose sum is σ = 15025920. Its totient is φ = 6177600.

The previous prime is 9771119. The next prime is 9771131. The reversal of 9771125 is 5211779.

It is an interprime number because it is at equal distance from previous prime (9771119) and next prime (9771131).

It is not a de Polignac number, because 9771125 - 2¹² = 9767029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9771091 and 9771100.

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 31 ways as a sum of consecutive naturals, for example, 10946 + ... + 11804.

It is an arithmetic number, because the mean of its divisors is an integer number (469560).

Almost surely, 2^9771125 is an apocalyptic number.

It is an amenable number.

9771125 is a deficient number, since it is larger than the sum of its proper divisors (5254795).

9771125 is a wasteful number, since it uses less digits than its factorization.

9771125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894 (or 884 counting only the distinct ones).

The product of its digits is 4410, while the sum is 32.

The square root of 9771125 is about 3125.8798761309. The cubic root of 9771125 is about 213.7871132392.

The spelling of 9771125 in words is "nine million, seven hundred seventy-one thousand, one hundred twenty-five".