120391706 has 8 divisors (see below), whose sum is σ = 188439264. Its totient is φ = 57578620.

The previous prime is 120391643. The next prime is 120391721. The reversal of 120391706 is 607193021.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1308560 + ... + 1308651.

It is an arithmetic number, because the mean of its divisors is an integer number (23554908).

Almost surely, 2^120391706 is an apocalyptic number.

120391706 is a deficient number, since it is larger than the sum of its proper divisors (68047558).

120391706 is a wasteful number, since it uses less digits than its factorization.

120391706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617236.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 120391706 is about 10972.3154347658. The cubic root of 120391706 is about 493.7785153429.

The spelling of 120391706 in words is "one hundred twenty million, three hundred ninety-one thousand, seven hundred six".