125751500 has 192 divisors, whose sum is σ = 346644480. Its totient is φ = 38880000.

The previous prime is 125751487. The next prime is 125751503. The reversal of 125751500 is 5157521.

It is a happy number.

It is a Cunningham number, because it is equal to 501³-1.

It is a self number, because there is not a number n which added to its sum of digits gives 125751500.

It is not an unprimeable number, because it can be changed into a prime (125751503) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2061470 + ... + 2061530.

It is an arithmetic number, because the mean of its divisors is an integer number (1805440).

Almost surely, 2^125751500 is an apocalyptic number.

125751500 is a gapful number since it is divisible by the number (10) 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 125751500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173322240).

125751500 is an abundant number, since it is smaller than the sum of its proper divisors (220892980).

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

125751500 is a wasteful number, since it uses less digits than its factorization.

125751500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 26.

The square root of 125751500 is about 11213.8976274978. The cubic root of 125751500 is about 500.9999986720. Note that the first 5 decimals are identical.

The spelling of 125751500 in words is "one hundred twenty-five million, seven hundred fifty-one thousand, five hundred".