125165838 has 16 divisors (see below), whose sum is σ = 286093440. Its totient is φ = 35761656.

The previous prime is 125165837. The next prime is 125165867. The reversal of 125165838 is 838561521.

It is a junction number, because it is equal to n+sod(n) for n = 125165796 and 125165805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125165837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490028 + ... + 1490111.

It is an arithmetic number, because the mean of its divisors is an integer number (17880840).

Almost surely, 2^125165838 is an apocalyptic number.

125165838 is an abundant number, since it is smaller than the sum of its proper divisors (160927602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125165838 is a wasteful number, since it uses less digits than its factorization.

125165838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980151.

The product of its digits is 57600, while the sum is 39.

The square root of 125165838 is about 11187.7539300791. The cubic root of 125165838 is about 500.2210196196.

The spelling of 125165838 in words is "one hundred twenty-five million, one hundred sixty-five thousand, eight hundred thirty-eight".