4133121 has 8 divisors (see below), whose sum is σ = 5520480. Its totient is φ = 2750592.

The previous prime is 4133119. The next prime is 4133131. The reversal of 4133121 is 1213314.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4133121 - 2¹ = 4133119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4133121.

It is not an unprimeable number, because it can be changed into a prime (4133131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2046 + ... + 3528.

It is an arithmetic number, because the mean of its divisors is an integer number (690060).

Almost surely, 2^4133121 is an apocalyptic number.

It is an amenable number.

4133121 is a deficient number, since it is larger than the sum of its proper divisors (1387359).

4133121 is a wasteful number, since it uses less digits than its factorization.

4133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415.

The product of its digits is 72, while the sum is 15.

The square root of 4133121 is about 2033.0078701274. The cubic root of 4133121 is about 160.4818935136.

Adding to 4133121 its reverse (1213314), we get a palindrome (5346435).

The spelling of 4133121 in words is "four million, one hundred thirty-three thousand, one hundred twenty-one".