3506123125 has 10 divisors (see below), whose sum is σ = 4381252238. Its totient is φ = 2804898000.

The previous prime is 3506123099. The next prime is 3506123147. The reversal of 3506123125 is 5213216053.

It can be written as a sum of positive squares in 5 ways, for example, as 1644545809 + 1861577316 = 40553^2 + 43146^2 .

It is not a de Polignac number, because 3506123125 - 2¹⁷ = 3505992053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3506123093 and 3506123102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2804274 + ... + 2805523.

Almost surely, 2^3506123125 is an apocalyptic number.

It is an amenable number.

3506123125 is a deficient number, since it is larger than the sum of its proper divisors (875129113).

3506123125 is an frugal number, since it uses more digits than its factorization.

3506123125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5609817 (or 5609802 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 3506123125 is about 59212.5250686035. The cubic root of 3506123125 is about 1519.1793707729.

Adding to 3506123125 its reverse (5213216053), we get a palindrome (8719339178).

The spelling of 3506123125 in words is "three billion, five hundred six million, one hundred twenty-three thousand, one hundred twenty-five".