125305838 has 12 divisors (see below), whose sum is σ = 218646072. Its totient is φ = 53702460.

The previous prime is 125305811. The next prime is 125305867. The reversal of 125305838 is 838503521.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125305798 and 125305807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 639218 + ... + 639413.

It is an arithmetic number, because the mean of its divisors is an integer number (18220506).

Almost surely, 2^125305838 is an apocalyptic number.

125305838 is a deficient number, since it is larger than the sum of its proper divisors (93340234).

125305838 is a wasteful number, since it uses less digits than its factorization.

125305838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278647 (or 1278640 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 125305838 is about 11194.0090226871. The cubic root of 125305838 is about 500.4074518757.

The spelling of 125305838 in words is "one hundred twenty-five million, three hundred five thousand, eight hundred thirty-eight".