121384411 has 2 divisors, whose sum is σ = 121384412. Its totient is φ = 121384410.

The previous prime is 121384397. The next prime is 121384433. The reversal of 121384411 is 114483121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121384411 - 2⁷ = 121384283 is a prime.

It is not a weakly prime, because it can be changed into another prime (121387411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60692205 + 60692206.

It is an arithmetic number, because the mean of its divisors is an integer number (60692206).

Almost surely, 2^121384411 is an apocalyptic number.

121384411 is a deficient number, since it is larger than the sum of its proper divisors (1).

121384411 is an equidigital number, since it uses as much as digits as its factorization.

121384411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 25.

The square root of 121384411 is about 11017.4593713796. The cubic root of 121384411 is about 495.1319731097.

The spelling of 121384411 in words is "one hundred twenty-one million, three hundred eighty-four thousand, four hundred eleven".