8144121 has 4 divisors (see below), whose sum is σ = 10858832. Its totient is φ = 5429412.

The previous prime is 8144111. The next prime is 8144137. The reversal of 8144121 is 1214418.

It is a happy number.

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 not a de Polignac number, because 8144121 - 2⁶ = 8144057 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8144111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1357351 + ... + 1357356.

It is an arithmetic number, because the mean of its divisors is an integer number (2714708).

Almost surely, 2^8144121 is an apocalyptic number.

It is an amenable number.

8144121 is a deficient number, since it is larger than the sum of its proper divisors (2714711).

8144121 is a wasteful number, since it uses less digits than its factorization.

8144121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714710.

The product of its digits is 256, while the sum is 21.

The square root of 8144121 is about 2853.7906370300. The cubic root of 8144121 is about 201.1938675543.

Adding to 8144121 its reverse (1214418), we get a palindrome (9358539).

It can be divided in two parts, 81 and 44121, that multiplied together give a triangular number (3573801 = T₂₆₇₃).

The spelling of 8144121 in words is "eight million, one hundred forty-four thousand, one hundred twenty-one".