120846665 has 8 divisors (see below), whose sum is σ = 146347080. Its totient is φ = 95789952.

The previous prime is 120846653. The next prime is 120846679. The reversal of 120846665 is 566648021.

It can be written as a sum of positive squares in 4 ways, for example, as 39702601 + 81144064 = 6301^2 + 9008^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 120846665 - 2⁸ = 120846409 is a prime.

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, 110324 + ... + 111413.

It is an arithmetic number, because the mean of its divisors is an integer number (18293385).

Almost surely, 2^120846665 is an apocalyptic number.

It is an amenable number.

120846665 is a deficient number, since it is larger than the sum of its proper divisors (25500415).

120846665 is a wasteful number, since it uses less digits than its factorization.

120846665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221851.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 120846665 is about 10993.0280177938. The cubic root of 120846665 is about 494.3997280980.

The spelling of 120846665 in words is "one hundred twenty million, eight hundred forty-six thousand, six hundred sixty-five".