8379121 has 4 divisors (see below), whose sum is σ = 8521200. Its totient is φ = 8237044.

The previous prime is 8379073. The next prime is 8379127. The reversal of 8379121 is 1219738.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8379121 - 2¹⁵ = 8346353 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.

It is not an unprimeable number, because it can be changed into a prime (8379127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70951 + ... + 71068.

It is an arithmetic number, because the mean of its divisors is an integer number (2130300).

Almost surely, 2^8379121 is an apocalyptic number.

It is an amenable number.

8379121 is a deficient number, since it is larger than the sum of its proper divisors (142079).

8379121 is a wasteful number, since it uses less digits than its factorization.

8379121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142078.

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

The square root of 8379121 is about 2894.6711384888. The cubic root of 8379121 is about 203.1107082962.

The spelling of 8379121 in words is "eight million, three hundred seventy-nine thousand, one hundred twenty-one".