3122705123 has 4 divisors (see below), whose sum is σ = 3230384640. Its totient is φ = 3015025608.

The previous prime is 3122705077. The next prime is 3122705141. The reversal of 3122705123 is 3215072213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3215072213 = 19 ⋅169214327.

It is a cyclic number.

It is not a de Polignac number, because 3122705123 - 2⁶ = 3122705059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3122705092 and 3122705101.

It is not an unprimeable number, because it can be changed into a prime (3122705153) 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, 53839715 + ... + 53839772.

It is an arithmetic number, because the mean of its divisors is an integer number (807596160).

Almost surely, 2^3122705123 is an apocalyptic number.

3122705123 is a deficient number, since it is larger than the sum of its proper divisors (107679517).

3122705123 is a wasteful number, since it uses less digits than its factorization.

3122705123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107679516.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 3122705123 is about 55881.1696638501. The cubic root of 3122705123 is about 1461.6509008766.

Adding to 3122705123 its reverse (3215072213), we get a palindrome (6337777336).

The spelling of 3122705123 in words is "three billion, one hundred twenty-two million, seven hundred five thousand, one hundred twenty-three".