120755491 has 2 divisors, whose sum is σ = 120755492. Its totient is φ = 120755490.

The previous prime is 120755489. The next prime is 120755501. The reversal of 120755491 is 194557021.

It is a weak prime.

It is an emirp because it is prime and its reverse (194557021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120755491 - 2¹ = 120755489 is a prime.

Together with 120755489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (120755441) 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 as a sum of consecutive naturals, namely, 60377745 + 60377746.

It is an arithmetic number, because the mean of its divisors is an integer number (60377746).

Almost surely, 2^120755491 is an apocalyptic number.

120755491 is a deficient number, since it is larger than the sum of its proper divisors (1).

120755491 is an equidigital number, since it uses as much as digits as its factorization.

120755491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 120755491 is about 10988.8803342288. The cubic root of 120755491 is about 494.2753618424.

The spelling of 120755491 in words is "one hundred twenty million, seven hundred fifty-five thousand, four hundred ninety-one".