120777375 has 16 divisors (see below), whose sum is σ = 200974176. Its totient is φ = 64414400.

The previous prime is 120777323. The next prime is 120777389. The reversal of 120777375 is 573777021.

It is not a de Polignac number, because 120777375 - 2⁶ = 120777311 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160662 + ... + 161411.

It is an arithmetic number, because the mean of its divisors is an integer number (12560886).

Almost surely, 2^120777375 is an apocalyptic number.

120777375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120777375 is a deficient number, since it is larger than the sum of its proper divisors (80196801).

120777375 is an equidigital number, since it uses as much as digits as its factorization.

120777375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322091 (or 322081 counting only the distinct ones).

The product of its (nonzero) digits is 72030, while the sum is 39.

The square root of 120777375 is about 10989.8760229586. The cubic root of 120777375 is about 494.3052185073.

The spelling of 120777375 in words is "one hundred twenty million, seven hundred seventy-seven thousand, three hundred seventy-five".