8937121 has 4 divisors (see below), whose sum is σ = 9462852. Its totient is φ = 8411392.

The previous prime is 8937119. The next prime is 8937151. The reversal of 8937121 is 1217398.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7349521 + 1587600 = 2711^2 + 1260^2 .

It is a cyclic number.

It is not a de Polignac number, because 8937121 - 2¹ = 8937119 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

8937121 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8937101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262840 + ... + 262873.

It is an arithmetic number, because the mean of its divisors is an integer number (2365713).

Almost surely, 2^8937121 is an apocalyptic number.

It is an amenable number.

8937121 is a deficient number, since it is larger than the sum of its proper divisors (525731).

8937121 is a wasteful number, since it uses less digits than its factorization.

8937121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525730.

The product of its digits is 3024, while the sum is 31.

The square root of 8937121 is about 2989.5017979590. The cubic root of 8937121 is about 207.5228290555.

The spelling of 8937121 in words is "eight million, nine hundred thirty-seven thousand, one hundred twenty-one".