120211439 has 2 divisors, whose sum is σ = 120211440. Its totient is φ = 120211438.

The previous prime is 120211433. The next prime is 120211451. The reversal of 120211439 is 934112021.

It is a weak prime.

It is an emirp because it is prime and its reverse (934112021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120211439 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120211433) 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, 60105719 + 60105720.

It is an arithmetic number, because the mean of its divisors is an integer number (60105720).

Almost surely, 2^120211439 is an apocalyptic number.

120211439 is a deficient number, since it is larger than the sum of its proper divisors (1).

120211439 is an equidigital number, since it uses as much as digits as its factorization.

120211439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 120211439 is about 10964.0977284955. The cubic root of 120211439 is about 493.5319412265.

The spelling of 120211439 in words is "one hundred twenty million, two hundred eleven thousand, four hundred thirty-nine".