125956838 has 16 divisors (see below), whose sum is σ = 221193504. Its totient is φ = 52664640.

The previous prime is 125956837. The next prime is 125956849. The reversal of 125956838 is 838659521.

It is a junction number, because it is equal to n+sod(n) for n = 125956792 and 125956801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125956837) 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, 109145 + ... + 110292.

It is an arithmetic number, because the mean of its divisors is an integer number (13824594).

Almost surely, 2^125956838 is an apocalyptic number.

125956838 is a deficient number, since it is larger than the sum of its proper divisors (95236666).

125956838 is a wasteful number, since it uses less digits than its factorization.

125956838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219487.

The product of its digits is 518400, while the sum is 47.

The square root of 125956838 is about 11223.0494073581. The cubic root of 125956838 is about 501.2725425234.

The spelling of 125956838 in words is "one hundred twenty-five million, nine hundred fifty-six thousand, eight hundred thirty-eight".