125638350 has 96 divisors (see below), whose sum is σ = 329978880. Its totient is φ = 31584000.

The previous prime is 125638349. The next prime is 125638367. The reversal of 125638350 is 53836521.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 190321 + ... + 190979.

It is an arithmetic number, because the mean of its divisors is an integer number (3437280).

Almost surely, 2^125638350 is an apocalyptic number.

125638350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125638350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164989440).

125638350 is an abundant number, since it is smaller than the sum of its proper divisors (204340530).

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

125638350 is a wasteful number, since it uses less digits than its factorization.

125638350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 741 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 125638350 is about 11208.8514130575. The cubic root of 125638350 is about 500.8496885741.

The spelling of 125638350 in words is "one hundred twenty-five million, six hundred thirty-eight thousand, three hundred fifty".