9771141 has 16 divisors (see below), whose sum is σ = 13863744. Its totient is φ = 6100224.

The previous prime is 9771137. The next prime is 9771143. The reversal of 9771141 is 1411779.

It is not a de Polignac number, because 9771141 - 2² = 9771137 is a prime.

9771141 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9771099 and 9771108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9771143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14095 + ... + 14771.

It is an arithmetic number, because the mean of its divisors is an integer number (866484).

Almost surely, 2^9771141 is an apocalyptic number.

It is an amenable number.

9771141 is a deficient number, since it is larger than the sum of its proper divisors (4092603).

9771141 is a wasteful number, since it uses less digits than its factorization.

9771141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980.

The product of its digits is 1764, while the sum is 30.

The square root of 9771141 is about 3125.8824354092. The cubic root of 9771141 is about 213.7872299297.

The spelling of 9771141 in words is "nine million, seven hundred seventy-one thousand, one hundred forty-one".