126320000 has 80 divisors (see below), whose sum is σ = 314664900. Its totient is φ = 50496000.

The previous prime is 126319997. The next prime is 126320011. The reversal of 126320000 is 23621.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 79211 + ... + 80789.

Almost surely, 2^126320000 is an apocalyptic number.

126320000 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 126320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157332450).

126320000 is an abundant number, since it is smaller than the sum of its proper divisors (188344900).

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

126320000 is an frugal number, since it uses more digits than its factorization.

126320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613 (or 1586 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 126320000 is about 11239.2170545817. The cubic root of 126320000 is about 501.7538408913.

Adding to 126320000 its reverse (23621), we get a palindrome (126343621).

The spelling of 126320000 in words is "one hundred twenty-six million, three hundred twenty thousand".