126206300 has 108 divisors (see below), whose sum is σ = 318172344. Its totient is φ = 43084800.

The previous prime is 126206299. The next prime is 126206309. The reversal of 126206300 is 3602621.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126206309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 317702 + ... + 318098.

Almost surely, 2^126206300 is an apocalyptic number.

126206300 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 126206300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159086172).

126206300 is an abundant number, since it is smaller than the sum of its proper divisors (191966044).

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

126206300 is a wasteful number, since it uses less digits than its factorization.

126206300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 126206300 is about 11234.1577343386. The cubic root of 126206300 is about 501.6032536607.

Adding to 126206300 its reverse (3602621), we get a palindrome (129808921).

The spelling of 126206300 in words is "one hundred twenty-six million, two hundred six thousand, three hundred".