11828121 has 8 divisors (see below), whose sum is σ = 15891744. Its totient is φ = 7824960.

The previous prime is 11828119. The next prime is 11828137. The reversal of 11828121 is 12182811.

11828121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11828121 - 2¹ = 11828119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11828091 and 11828100.

It is not an unprimeable number, because it can be changed into a prime (11828111) 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, 14656 + ... + 15441.

It is an arithmetic number, because the mean of its divisors is an integer number (1986468).

Almost surely, 2^11828121 is an apocalyptic number.

It is an amenable number.

11828121 is a deficient number, since it is larger than the sum of its proper divisors (4063623).

11828121 is a wasteful number, since it uses less digits than its factorization.

11828121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30231.

The product of its digits is 256, while the sum is 24.

The square root of 11828121 is about 3439.2035415195. The cubic root of 11828121 is about 227.8445192660.

The spelling of 11828121 in words is "eleven million, eight hundred twenty-eight thousand, one hundred twenty-one".