8773121 has 8 divisors (see below), whose sum is σ = 10058880. Its totient is φ = 7495488.

The previous prime is 8773111. The next prime is 8773133. The reversal of 8773121 is 1213778.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8773121 - 2¹⁸ = 8510977 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8773111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500 + ... + 4218.

It is an arithmetic number, because the mean of its divisors is an integer number (1257360).

Almost surely, 2^8773121 is an apocalyptic number.

It is an amenable number.

8773121 is a deficient number, since it is larger than the sum of its proper divisors (1285759).

8773121 is a wasteful number, since it uses less digits than its factorization.

8773121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063.

The product of its digits is 2352, while the sum is 29.

The square root of 8773121 is about 2961.9454755279. The cubic root of 8773121 is about 206.2456067629.

Adding to 8773121 its reverse (1213778), we get a palindrome (9986899).

The spelling of 8773121 in words is "eight million, seven hundred seventy-three thousand, one hundred twenty-one".