125039936 has 56 divisors (see below), whose sum is σ = 287243520. Its totient is φ = 52895232.

The previous prime is 125039933. The next prime is 125039953. The reversal of 125039936 is 639930521.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 125039936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125039933) 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, 33626 + ... + 37158.

Almost surely, 2^125039936 is an apocalyptic number.

125039936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125039936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143621760).

125039936 is an abundant number, since it is smaller than the sum of its proper divisors (162203584).

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

125039936 is an equidigital number, since it uses as much as digits as its factorization.

125039936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631 (or 3621 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 125039936 is about 11182.1257370859. The cubic root of 125039936 is about 500.0532423303.

The spelling of 125039936 in words is "one hundred twenty-five million, thirty-nine thousand, nine hundred thirty-six".