11340121 has 4 divisors (see below), whose sum is σ = 12212452. Its totient is φ = 10467792.

The previous prime is 11340107. The next prime is 11340137. The reversal of 11340121 is 12104311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4888521 + 6451600 = 2211^2 + 2540^2 .

It is a cyclic number.

It is not a de Polignac number, because 11340121 - 2¹¹ = 11338073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 872317 = 11340121 / (1 + 1 + 3 + 4 + 0 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11340521) 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, 436146 + ... + 436171.

It is an arithmetic number, because the mean of its divisors is an integer number (3053113).

Almost surely, 2^11340121 is an apocalyptic number.

It is an amenable number.

11340121 is a deficient number, since it is larger than the sum of its proper divisors (872331).

11340121 is an equidigital number, since it uses as much as digits as its factorization.

11340121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872330.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11340121 is about 3367.5096139432. The cubic root of 11340121 is about 224.6669706909. Note that the first 3 decimals are identical.

Adding to 11340121 its reverse (12104311), we get a palindrome (23444432).

The spelling of 11340121 in words is "eleven million, three hundred forty thousand, one hundred twenty-one".