11127321 has 8 divisors (see below), whose sum is σ = 16484960. Its totient is φ = 7418196.

The previous prime is 11127307. The next prime is 11127323. The reversal of 11127321 is 12372111.

It is a happy number.

It is not a de Polignac number, because 11127321 - 2⁵ = 11127289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11127294 and 11127303.

It is not an unprimeable number, because it can be changed into a prime (11127323) 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 7 ways as a sum of consecutive naturals, for example, 206035 + ... + 206088.

It is an arithmetic number, because the mean of its divisors is an integer number (2060620).

Almost surely, 2^11127321 is an apocalyptic number.

It is an amenable number.

11127321 is a deficient number, since it is larger than the sum of its proper divisors (5357639).

11127321 is an equidigital number, since it uses as much as digits as its factorization.

11127321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412132 (or 412126 counting only the distinct ones).

The product of its digits is 84, while the sum is 18.

The square root of 11127321 is about 3335.7639304963. The cubic root of 11127321 is about 223.2527783040.

Adding to 11127321 its reverse (12372111), we get a palindrome (23499432).

The spelling of 11127321 in words is "eleven million, one hundred twenty-seven thousand, three hundred twenty-one".