120985706 has 4 divisors (see below), whose sum is σ = 181478562. Its totient is φ = 60492852.

The previous prime is 120985699. The next prime is 120985721. The reversal of 120985706 is 607589021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 101103025 + 19882681 = 10055^2 + 4459^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120985706.

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 as a sum of consecutive naturals, namely, 30246425 + ... + 30246428.

Almost surely, 2^120985706 is an apocalyptic number.

120985706 is a deficient number, since it is larger than the sum of its proper divisors (60492856).

120985706 is an equidigital number, since it uses as much as digits as its factorization.

120985706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60492855.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 120985706 is about 10999.3502535377. The cubic root of 120985706 is about 494.5892671463.

The spelling of 120985706 in words is "one hundred twenty million, nine hundred eighty-five thousand, seven hundred six".