126387500 has 36 divisors (see below), whose sum is σ = 276482304. Its totient is φ = 50550000.

The previous prime is 126387493. The next prime is 126387509. The reversal of 126387500 is 5783621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (126387509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7445 + ... + 17555.

It is an arithmetic number, because the mean of its divisors is an integer number (7680064).

Almost surely, 2^126387500 is an apocalyptic number.

126387500 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 126387500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138241152).

126387500 is an abundant number, since it is smaller than the sum of its proper divisors (150094804).

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

126387500 is an equidigital number, since it uses as much as digits as its factorization.

126387500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10140 (or 10118 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 126387500 is about 11242.2195317473. The cubic root of 126387500 is about 501.8431969010.

The spelling of 126387500 in words is "one hundred twenty-six million, three hundred eighty-seven thousand, five hundred".