120865386 has 8 divisors (see below), whose sum is σ = 241730784. Its totient is φ = 40288460.

The previous prime is 120865369. The next prime is 120865399. The reversal of 120865386 is 683568021.

It is a happy number.

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

120865386 is an admirable number.

It is a Curzon 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, 10072110 + ... + 10072121.

It is an arithmetic number, because the mean of its divisors is an integer number (30216348).

Almost surely, 2^120865386 is an apocalyptic number.

120865386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120865386 is a wasteful number, since it uses less digits than its factorization.

120865386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20144236.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 120865386 is about 10993.8794790556. The cubic root of 120865386 is about 494.4252568108.

The spelling of 120865386 in words is "one hundred twenty million, eight hundred sixty-five thousand, three hundred eighty-six".