4122785211 has 4 divisors (see below), whose sum is σ = 5497046952. Its totient is φ = 2748523472.

The previous prime is 4122785207. The next prime is 4122785231. The reversal of 4122785211 is 1125872214.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4122785211 - 2² = 4122785207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4122785231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687130866 + ... + 687130871.

It is an arithmetic number, because the mean of its divisors is an integer number (1374261738).

Almost surely, 2^4122785211 is an apocalyptic number.

4122785211 is a deficient number, since it is larger than the sum of its proper divisors (1374261741).

4122785211 is a wasteful number, since it uses less digits than its factorization.

4122785211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374261740.

The product of its digits is 8960, while the sum is 33.

The square root of 4122785211 is about 64208.9184693217. The cubic root of 4122785211 is about 1603.4800828340.

The spelling of 4122785211 in words is "four billion, one hundred twenty-two million, seven hundred eighty-five thousand, two hundred eleven".