125299936 has 48 divisors (see below), whose sum is σ = 258694128. Its totient is φ = 59673600.

The previous prime is 125299919. The next prime is 125299939. The reversal of 125299936 is 639992521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125299939) 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 7 ways as a sum of consecutive naturals, for example, 55306 + ... + 57526.

It is an arithmetic number, because the mean of its divisors is an integer number (5389461).

Almost surely, 2^125299936 is an apocalyptic number.

125299936 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 125299936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129347064).

125299936 is an abundant number, since it is smaller than the sum of its proper divisors (133394192).

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

125299936 is a wasteful number, since it uses less digits than its factorization.

125299936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315 (or 2307 counting only the distinct ones).

The product of its digits is 262440, while the sum is 46.

The square root of 125299936 is about 11193.7453964256. The cubic root of 125299936 is about 500.3995952289.

The spelling of 125299936 in words is "one hundred twenty-five million, two hundred ninety-nine thousand, nine hundred thirty-six".