2851730122 has 4 divisors (see below), whose sum is σ = 4277595186. Its totient is φ = 1425865060.

The previous prime is 2851730111. The next prime is 2851730129. The reversal of 2851730122 is 2210371582.

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., 1945780321 + 905949801 = 44111^2 + 30099^2 .

It is not an unprimeable number, because it can be changed into a prime (2851730129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712932529 + ... + 712932532.

Almost surely, 2^2851730122 is an apocalyptic number.

2851730122 is a deficient number, since it is larger than the sum of its proper divisors (1425865064).

2851730122 is a wasteful number, since it uses less digits than its factorization.

2851730122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425865063.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 2851730122 is about 53401.5928788646. The cubic root of 2851730122 is about 1418.0867776922.

The spelling of 2851730122 in words is "two billion, eight hundred fifty-one million, seven hundred thirty thousand, one hundred twenty-two".