125906602239 has 12 divisors (see below), whose sum is σ = 198398282472. Its totient is φ = 76307031600.

The previous prime is 125906602201. The next prime is 125906602271. The reversal of 125906602239 is 932206609521.

125906602239 is a `hidden beast` number, since 1 + 2 + 5 + 9 + 0 + 6 + 602 + 2 + 39 = 666.

It is not a de Polignac number, because 125906602239 - 2¹⁶ = 125906536703 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125906602194 and 125906602203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125906602039) 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, 635891832 + ... + 635892029.

It is an arithmetic number, because the mean of its divisors is an integer number (16533190206).

Almost surely, 2^125906602239 is an apocalyptic number.

125906602239 is a deficient number, since it is larger than the sum of its proper divisors (72491680233).

125906602239 is a wasteful number, since it uses less digits than its factorization.

125906602239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271783878 (or 1271783875 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 125906602239 in words is "one hundred twenty-five billion, nine hundred six million, six hundred two thousand, two hundred thirty-nine".