120698866 has 4 divisors (see below), whose sum is σ = 181048302. Its totient is φ = 60349432.

The previous prime is 120698839. The next prime is 120698869. The reversal of 120698866 is 668896021.

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., 64883025 + 55815841 = 8055^2 + 7471^2 .

It is not an unprimeable number, because it can be changed into a prime (120698869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30174715 + ... + 30174718.

Almost surely, 2^120698866 is an apocalyptic number.

120698866 is a deficient number, since it is larger than the sum of its proper divisors (60349436).

120698866 is an equidigital number, since it uses as much as digits as its factorization.

120698866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60349435.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 120698866 is about 10986.3035639837. The cubic root of 120698866 is about 494.1980907716.

The spelling of 120698866 in words is "one hundred twenty million, six hundred ninety-eight thousand, eight hundred sixty-six".