4122130123 has 12 divisors (see below), whose sum is σ = 4360715688. Its totient is φ = 3896009280.

The previous prime is 4122130099. The next prime is 4122130157. The reversal of 4122130123 is 3210312214.

It is a happy number.

It is not a de Polignac number, because 4122130123 - 2²⁹ = 3585259211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 4122130123.

It is not an unprimeable number, because it can be changed into a prime (4122130223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143128 + ... + 169498.

It is an arithmetic number, because the mean of its divisors is an integer number (363392974).

Almost surely, 2^4122130123 is an apocalyptic number.

4122130123 is a deficient number, since it is larger than the sum of its proper divisors (238585565).

4122130123 is a wasteful number, since it uses less digits than its factorization.

4122130123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26842 (or 26823 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4122130123 is about 64203.8170438487. The cubic root of 4122130123 is about 1603.3951502665.

Adding to 4122130123 its reverse (3210312214), we get a palindrome (7332442337).

The spelling of 4122130123 in words is "four billion, one hundred twenty-two million, one hundred thirty thousand, one hundred twenty-three".