851846122 has 4 divisors (see below), whose sum is σ = 1277769186. Its totient is φ = 425923060.

The previous prime is 851846113. The next prime is 851846137. The reversal of 851846122 is 221648158.

851846122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221648158 = 2 ⋅110824079.

It can be written as a sum of positive squares in only one way, i.e., 769563081 + 82283041 = 27741^2 + 9071^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212961529 + ... + 212961532.

Almost surely, 2^851846122 is an apocalyptic number.

851846122 is a deficient number, since it is larger than the sum of its proper divisors (425923064).

851846122 is a wasteful number, since it uses less digits than its factorization.

851846122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425923063.

The product of its digits is 30720, while the sum is 37.

The square root of 851846122 is about 29186.4030329193. The cubic root of 851846122 is about 947.9535345193.

The spelling of 851846122 in words is "eight hundred fifty-one million, eight hundred forty-six thousand, one hundred twenty-two".