125732838 has 64 divisors (see below), whose sum is σ = 323665920. Its totient is φ = 31600800.

The previous prime is 125732813. The next prime is 125732843. The reversal of 125732838 is 838237521.

It is a junction number, because it is equal to n+sod(n) for n = 125732796 and 125732805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9933 + ... + 18711.

It is an arithmetic number, because the mean of its divisors is an integer number (5057280).

Almost surely, 2^125732838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125732838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161832960).

125732838 is an abundant number, since it is smaller than the sum of its proper divisors (197933082).

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

125732838 is a wasteful number, since it uses less digits than its factorization.

125732838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8833.

The product of its digits is 80640, while the sum is 39.

The square root of 125732838 is about 11213.0655041340. The cubic root of 125732838 is about 500.9752140120.

The spelling of 125732838 in words is "one hundred twenty-five million, seven hundred thirty-two thousand, eight hundred thirty-eight".