120777 has 8 divisors (see below), whose sum is σ = 162816. Its totient is φ = 79632.

The previous prime is 120767. The next prime is 120779. The reversal of 120777 is 777021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120777 - 2⁶ = 120713 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (120779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223 + ... + 539.

It is an arithmetic number, because the mean of its divisors is an integer number (20352).

2¹²⁰⁷⁷⁷ is an apocalyptic number.

It is an amenable number.

120777 is a deficient number, since it is larger than the sum of its proper divisors (42039).

120777 is a wasteful number, since it uses less digits than its factorization.

120777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447.

The product of its (nonzero) digits is 686, while the sum is 24.

The square root of 120777 is about 347.5298548326. The cubic root of 120777 is about 49.4304706920.

Adding to 120777 its reverse (777021), we get a palindrome (897798).

The spelling of 120777 in words is "one hundred twenty thousand, seven hundred seventy-seven", and thus it is an iban number.