4179121 has 4 divisors (see below), whose sum is σ = 4185972. Its totient is φ = 4172272.

The previous prime is 4179101. The next prime is 4179139. The reversal of 4179121 is 1219714.

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 2117025 + 2062096 = 1455^2 + 1436^2 .

It is a cyclic number.

It is not a de Polignac number, because 4179121 - 2⁹ = 4178609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4179101) 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, 2410 + ... + 3763.

It is an arithmetic number, because the mean of its divisors is an integer number (1046493).

Almost surely, 2^4179121 is an apocalyptic number.

It is an amenable number.

4179121 is a deficient number, since it is larger than the sum of its proper divisors (6851).

4179121 is an equidigital number, since it uses as much as digits as its factorization.

4179121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6850.

The product of its digits is 504, while the sum is 25.

The square root of 4179121 is about 2044.2898522470. The cubic root of 4179121 is about 161.0750649794.

The spelling of 4179121 in words is "four million, one hundred seventy-nine thousand, one hundred twenty-one".