11129171 has 8 divisors (see below), whose sum is σ = 11669280. Its totient is φ = 10593792.

The previous prime is 11129159. The next prime is 11129191. The reversal of 11129171 is 17192111.

It is a happy number.

11129171 is digitally balanced in base 2, 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 11129171 - 2¹⁰ = 11128147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (11129141) 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, 4211 + ... + 6323.

It is an arithmetic number, because the mean of its divisors is an integer number (1458660).

Almost surely, 2^11129171 is an apocalyptic number.

11129171 is a deficient number, since it is larger than the sum of its proper divisors (540109).

11129171 is a wasteful number, since it uses less digits than its factorization.

11129171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365.

The product of its digits is 126, while the sum is 23.

The square root of 11129171 is about 3336.0412167718. The cubic root of 11129171 is about 223.2651500975.

The spelling of 11129171 in words is "eleven million, one hundred twenty-nine thousand, one hundred seventy-one".