121313411 has 4 divisors (see below), whose sum is σ = 128449512. Its totient is φ = 114177312.

The previous prime is 121313389. The next prime is 121313419. The reversal of 121313411 is 114313121.

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

It is a cyclic number.

It is not a de Polignac number, because 121313411 - 2¹⁴ = 121297027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 7136083 = 121313411 / (1 + 2 + 1 + 3 + 1 + 3 + 4 + 1 + 1).

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 121313411.

It is not an unprimeable number, because it can be changed into a prime (121313419) 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 3 ways as a sum of consecutive naturals, for example, 3568025 + ... + 3568058.

It is an arithmetic number, because the mean of its divisors is an integer number (32112378).

Almost surely, 2^121313411 is an apocalyptic number.

121313411 is a deficient number, since it is larger than the sum of its proper divisors (7136101).

121313411 is an equidigital number, since it uses as much as digits as its factorization.

121313411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7136100.

The product of its digits is 72, while the sum is 17.

The square root of 121313411 is about 11014.2367415995. The cubic root of 121313411 is about 495.0354169809.

Adding to 121313411 its reverse (114313121), we get a palindrome (235626532).

The spelling of 121313411 in words is "one hundred twenty-one million, three hundred thirteen thousand, four hundred eleven".