125389726 has 48 divisors (see below), whose sum is σ = 244590192. Its totient is φ = 47644800.

The previous prime is 125389723. The next prime is 125389727. The reversal of 125389726 is 627983521.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125389723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42780 + ... + 45616.

It is an arithmetic number, because the mean of its divisors is an integer number (5095629).

Almost surely, 2^125389726 is an apocalyptic number.

125389726 is a deficient number, since it is larger than the sum of its proper divisors (119200466).

125389726 is a wasteful number, since it uses less digits than its factorization.

125389726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905 (or 2898 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 125389726 is about 11197.7554000791. The cubic root of 125389726 is about 500.5190955598.

The spelling of 125389726 in words is "one hundred twenty-five million, three hundred eighty-nine thousand, seven hundred twenty-six".