120865385 has 8 divisors (see below), whose sum is σ = 145106376. Its totient is φ = 96647040.

The previous prime is 120865369. The next prime is 120865399. The reversal of 120865385 is 583568021.

It can be written as a sum of positive squares in 4 ways, for example, as 37982569 + 82882816 = 6163^2 + 9104^2 .

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

It is not a de Polignac number, because 120865385 - 2⁴ = 120865369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10055 + ... + 18515.

It is an arithmetic number, because the mean of its divisors is an integer number (18138297).

Almost surely, 2^120865385 is an apocalyptic number.

It is an amenable number.

120865385 is a deficient number, since it is larger than the sum of its proper divisors (24240991).

120865385 is an equidigital number, since it uses as much as digits as its factorization.

120865385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11323.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 120865385 is about 10993.8794335758. The cubic root of 120865385 is about 494.4252554472.

It can be divided in two parts, 12086 and 5385, that added together give a palindrome (17471).

The spelling of 120865385 in words is "one hundred twenty million, eight hundred sixty-five thousand, three hundred eighty-five".