126323130 has 128 divisors (see below), whose sum is σ = 335923200. Its totient is φ = 30297344.

The previous prime is 126323123. The next prime is 126323147. The reversal of 126323130 is 31323621.

It is a junction number, because it is equal to n+sod(n) for n = 126323097 and 126323106.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1180537 + ... + 1180643.

It is an arithmetic number, because the mean of its divisors is an integer number (2624400).

Almost surely, 2^126323130 is an apocalyptic number.

126323130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 126323130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167961600).

126323130 is an abundant number, since it is smaller than the sum of its proper divisors (209600070).

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

126323130 is a wasteful number, since it uses less digits than its factorization.

126323130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 126323130 is about 11239.3562982940. The cubic root of 126323130 is about 501.7579850662.

Adding to 126323130 its reverse (31323621), we get a palindrome (157646751).

The spelling of 126323130 in words is "one hundred twenty-six million, three hundred twenty-three thousand, one hundred thirty".