120777172 has 12 divisors (see below), whose sum is σ = 212114196. Its totient is φ = 60173120.

The previous prime is 120777157. The next prime is 120777211. The reversal of 120777172 is 271777021.

It can be written as a sum of positive squares in 2 ways, for example, as 41139396 + 79637776 = 6414^2 + 8924^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52603 + ... + 54850.

It is an arithmetic number, because the mean of its divisors is an integer number (17676183).

Almost surely, 2^120777172 is an apocalyptic number.

It is an amenable number.

120777172 is a deficient number, since it is larger than the sum of its proper divisors (91337024).

120777172 is a wasteful number, since it uses less digits than its factorization.

120777172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107738 (or 107736 counting only the distinct ones).

The product of its (nonzero) digits is 9604, while the sum is 34.

The square root of 120777172 is about 10989.8667871817. The cubic root of 120777172 is about 494.3049415679.

The spelling of 120777172 in words is "one hundred twenty million, seven hundred seventy-seven thousand, one hundred seventy-two".