120550439 has 2 divisors, whose sum is σ = 120550440. Its totient is φ = 120550438.

The previous prime is 120550343. The next prime is 120550447. The reversal of 120550439 is 934055021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120550439 - 2¹² = 120546343 is a prime.

It is equal to p_6871223 and since 120550439 and 6871223 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120550499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60275219 + 60275220.

It is an arithmetic number, because the mean of its divisors is an integer number (60275220).

Almost surely, 2^120550439 is an apocalyptic number.

120550439 is a deficient number, since it is larger than the sum of its proper divisors (1).

120550439 is an equidigital number, since it uses as much as digits as its factorization.

120550439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 120550439 is about 10979.5463931804. The cubic root of 120550439 is about 493.9954309597.

The spelling of 120550439 in words is "one hundred twenty million, five hundred fifty thousand, four hundred thirty-nine".