4268121 has 16 divisors (see below), whose sum is σ = 6686400. Its totient is φ = 2387520.

The previous prime is 4268107. The next prime is 4268149. The reversal of 4268121 is 1218624.

It is not a de Polignac number, because 4268121 - 2¹⁸ = 4005977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4268091 and 4268100.

It is not an unprimeable number, because it can be changed into a prime (4268171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4546 + ... + 5403.

It is an arithmetic number, because the mean of its divisors is an integer number (417900).

Almost surely, 2^4268121 is an apocalyptic number.

It is an amenable number.

4268121 is a deficient number, since it is larger than the sum of its proper divisors (2418279).

4268121 is a wasteful number, since it uses less digits than its factorization.

4268121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9976.

The product of its digits is 768, while the sum is 24.

The square root of 4268121 is about 2065.9431260323. The cubic root of 4268121 is about 162.2104793492.

The spelling of 4268121 in words is "four million, two hundred sixty-eight thousand, one hundred twenty-one".