11479121 has 4 divisors (see below), whose sum is σ = 11497200. Its totient is φ = 11461044.

The previous prime is 11479081. The next prime is 11479133. The reversal of 11479121 is 12197411.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12197411 = 19 ⋅641969.

It is a cyclic number.

It is not a de Polignac number, because 11479121 - 2¹⁰ = 11478097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11479141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8051 + ... + 9368.

It is an arithmetic number, because the mean of its divisors is an integer number (2874300).

Almost surely, 2^11479121 is an apocalyptic number.

It is an amenable number.

11479121 is a deficient number, since it is larger than the sum of its proper divisors (18079).

11479121 is an equidigital number, since it uses as much as digits as its factorization.

11479121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18078.

The product of its digits is 504, while the sum is 26.

The square root of 11479121 is about 3388.0851524128. The cubic root of 11479121 is about 225.5811871814.

The spelling of 11479121 in words is "eleven million, four hundred seventy-nine thousand, one hundred twenty-one".