120086858 has 4 divisors (see below), whose sum is σ = 180130290. Its totient is φ = 60043428.

The previous prime is 120086851. The next prime is 120086951. The reversal of 120086858 is 858680021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 858680021 = 9377 ⋅91573.

It can be written as a sum of positive squares in only one way, i.e., 94148209 + 25938649 = 9703^2 + 5093^2 .

It is not an unprimeable number, because it can be changed into a prime (120086851) by changing a digit.

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 as a sum of consecutive naturals, namely, 30021713 + ... + 30021716.

Almost surely, 2^120086858 is an apocalyptic number.

120086858 is a deficient number, since it is larger than the sum of its proper divisors (60043432).

120086858 is an equidigital number, since it uses as much as digits as its factorization.

120086858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60043431.

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 120086858 is about 10958.4149401271. The cubic root of 120086858 is about 493.3613918584.

The spelling of 120086858 in words is "one hundred twenty million, eighty-six thousand, eight hundred fifty-eight".