120539777 has 2 divisors, whose sum is σ = 120539778. Its totient is φ = 120539776.

The previous prime is 120539759. The next prime is 120539779. The reversal of 120539777 is 777935021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90935296 + 29604481 = 9536^2 + 5441^2 .

It is a cyclic number.

It is not a de Polignac number, because 120539777 - 2²⁰ = 119491201 is a prime.

Together with 120539779, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120539779) 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, 60269888 + 60269889.

It is an arithmetic number, because the mean of its divisors is an integer number (60269889).

Almost surely, 2^120539777 is an apocalyptic number.

It is an amenable number.

120539777 is a deficient number, since it is larger than the sum of its proper divisors (1).

120539777 is an equidigital number, since it uses as much as digits as its factorization.

120539777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92610, while the sum is 41.

The square root of 120539777 is about 10979.0608432598. The cubic root of 120539777 is about 493.9808668359.

The spelling of 120539777 in words is "one hundred twenty million, five hundred thirty-nine thousand, seven hundred seventy-seven".