11391127 has 8 divisors (see below), whose sum is σ = 13080960. Its totient is φ = 9810360.

The previous prime is 11391119. The next prime is 11391151. The reversal of 11391127 is 72119311.

11391127 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 a cyclic number.

It is not a de Polignac number, because 11391127 - 2³ = 11391119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11391157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27043 + ... + 27460.

It is an arithmetic number, because the mean of its divisors is an integer number (1635120).

Almost surely, 2^11391127 is an apocalyptic number.

11391127 is a deficient number, since it is larger than the sum of its proper divisors (1689833).

11391127 is a wasteful number, since it uses less digits than its factorization.

11391127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54533.

The product of its digits is 378, while the sum is 25.

The square root of 11391127 is about 3375.0743695510. The cubic root of 11391127 is about 225.0033053012.

The spelling of 11391127 in words is "eleven million, three hundred ninety-one thousand, one hundred twenty-seven".