121484239 has 2 divisors, whose sum is σ = 121484240. Its totient is φ = 121484238.

The previous prime is 121484203. The next prime is 121484249. The reversal of 121484239 is 932484121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121484239 - 2¹¹ = 121482191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121484249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60742119 + 60742120.

It is an arithmetic number, because the mean of its divisors is an integer number (60742120).

Almost surely, 2^121484239 is an apocalyptic number.

121484239 is a deficient number, since it is larger than the sum of its proper divisors (1).

121484239 is an equidigital number, since it uses as much as digits as its factorization.

121484239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 121484239 is about 11021.9888858590. The cubic root of 121484239 is about 495.2676700808.

The spelling of 121484239 in words is "one hundred twenty-one million, four hundred eighty-four thousand, two hundred thirty-nine".