120770665 has 8 divisors (see below), whose sum is σ = 144983880. Its totient is φ = 96577152.

The previous prime is 120770651. The next prime is 120770711. The reversal of 120770665 is 566077021.

It can be written as a sum of positive squares in 4 ways, for example, as 29300569 + 91470096 = 5413^2 + 9564^2 .

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 120770665 - 2⁷ = 120770537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120770665.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20581 + ... + 25789.

It is an arithmetic number, because the mean of its divisors is an integer number (18122985).

Almost surely, 2^120770665 is an apocalyptic number.

It is an amenable number.

120770665 is a deficient number, since it is larger than the sum of its proper divisors (24213215).

120770665 is an equidigital number, since it uses as much as digits as its factorization.

120770665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9851.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 120770665 is about 10989.5707377495. The cubic root of 120770665 is about 494.2960643384.

The spelling of 120770665 in words is "one hundred twenty million, seven hundred seventy thousand, six hundred sixty-five".