2871122620 has 12 divisors (see below), whose sum is σ = 6029357544. Its totient is φ = 1148449040.

The previous prime is 2871122609. The next prime is 2871122651. The reversal of 2871122620 is 262211782.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 71778046 + ... + 71778085.

It is an arithmetic number, because the mean of its divisors is an integer number (502446462).

Almost surely, 2^2871122620 is an apocalyptic number.

2871122620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2871122620 is an abundant number, since it is smaller than the sum of its proper divisors (3158234924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2871122620 is a wasteful number, since it uses less digits than its factorization.

2871122620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143556140 (or 143556138 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 2871122620 is about 53582.8575199196. The cubic root of 2871122620 is about 1421.2939702876.

The spelling of 2871122620 in words is "two billion, eight hundred seventy-one million, one hundred twenty-two thousand, six hundred twenty".