120646705 has 8 divisors (see below), whose sum is σ = 153292392. Its totient is φ = 90839808.

The previous prime is 120646663. The next prime is 120646711. The reversal of 120646705 is 507646021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 59243809 + 61402896 = 7697^2 + 7836^2 .

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 120646705 - 2⁷ = 120646577 is a prime.

It is a Duffinian number.

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, 709602 + ... + 709771.

It is an arithmetic number, because the mean of its divisors is an integer number (19161549).

Almost surely, 2^120646705 is an apocalyptic number.

It is an amenable number.

120646705 is a deficient number, since it is larger than the sum of its proper divisors (32645687).

120646705 is a wasteful number, since it uses less digits than its factorization.

120646705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419395.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 120646705 is about 10983.9293970783. The cubic root of 120646705 is about 494.1268899345.

It can be divided in two parts, 12064 and 6705, that added together give a square (18769 = 137²).

The spelling of 120646705 in words is "one hundred twenty million, six hundred forty-six thousand, seven hundred five".