120710666 has 4 divisors (see below), whose sum is σ = 181066002. Its totient is φ = 60355332.

The previous prime is 120710651. The next prime is 120710677. The reversal of 120710666 is 666017021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 666017021 = 5011 ⋅132911.

It can be written as a sum of positive squares in only one way, i.e., 120538441 + 172225 = 10979^2 + 415^2 .

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, 30177665 + ... + 30177668.

Almost surely, 2^120710666 is an apocalyptic number.

120710666 is a deficient number, since it is larger than the sum of its proper divisors (60355336).

120710666 is an equidigital number, since it uses as much as digits as its factorization.

120710666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60355335.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 120710666 is about 10986.8405831704. The cubic root of 120710666 is about 494.2141951688.

Adding to 120710666 its reverse (666017021), we get a palindrome (786727687).

The spelling of 120710666 in words is "one hundred twenty million, seven hundred ten thousand, six hundred sixty-six".