11164121 has 8 divisors (see below), whose sum is σ = 12141000. Its totient is φ = 10222848.

The previous prime is 11164103. The next prime is 11164147. The reversal of 11164121 is 12146111.

It can be written as a sum of positive squares in 4 ways, for example, as 2544025 + 8620096 = 1595^2 + 2936^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11164121 - 2⁶ = 11164057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11164121.

It is not an unprimeable number, because it can be changed into a prime (11164151) 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, 8246 + ... + 9503.

It is an arithmetic number, because the mean of its divisors is an integer number (1517625).

Almost surely, 2^11164121 is an apocalyptic number.

It is an amenable number.

11164121 is a deficient number, since it is larger than the sum of its proper divisors (976879).

11164121 is a wasteful number, since it uses less digits than its factorization.

11164121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17803.

The product of its digits is 48, while the sum is 17.

The square root of 11164121 is about 3341.2753553097. The cubic root of 11164121 is about 223.4986195064.

The spelling of 11164121 in words is "eleven million, one hundred sixty-four thousand, one hundred twenty-one".