11882121 has 4 divisors (see below), whose sum is σ = 15842832. Its totient is φ = 7921412.

The previous prime is 11882119. The next prime is 11882149. The reversal of 11882121 is 12128811.

11882121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 11882121 - 2¹ = 11882119 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11882091 and 11882100.

It is not an unprimeable number, because it can be changed into a prime (11882621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1980351 + ... + 1980356.

It is an arithmetic number, because the mean of its divisors is an integer number (3960708).

Almost surely, 2^11882121 is an apocalyptic number.

It is an amenable number.

11882121 is a deficient number, since it is larger than the sum of its proper divisors (3960711).

11882121 is an equidigital number, since it uses as much as digits as its factorization.

11882121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960710.

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

The square root of 11882121 is about 3447.0452564479. The cubic root of 11882121 is about 228.1907260669.

The spelling of 11882121 in words is "eleven million, eight hundred eighty-two thousand, one hundred twenty-one".