126326100 has 72 divisors (see below), whose sum is σ = 366726528. Its totient is φ = 33574400.

The previous prime is 126326093. The next prime is 126326113. The reversal of 126326100 is 1623621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128812 + ... + 129788.

It is an arithmetic number, because the mean of its divisors is an integer number (5093424).

Almost surely, 2^126326100 is an apocalyptic number.

126326100 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 126326100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183363264).

126326100 is an abundant number, since it is smaller than the sum of its proper divisors (240400428).

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

126326100 is a wasteful number, since it uses less digits than its factorization.

126326100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425 (or 1418 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 126326100 is about 11239.4884225217. The cubic root of 126326100 is about 501.7619173351.

Adding to 126326100 its reverse (1623621), we get a palindrome (127949721).

The spelling of 126326100 in words is "one hundred twenty-six million, three hundred twenty-six thousand, one hundred".