126312304 has 40 divisors (see below), whose sum is σ = 259961040. Its totient is φ = 59286528.

The previous prime is 126312301. The next prime is 126312341. The reversal of 126312304 is 403213621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126312301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32514 + ... + 36190.

It is an arithmetic number, because the mean of its divisors is an integer number (6499026).

Almost surely, 2^126312304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126312304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129980520).

126312304 is an abundant number, since it is smaller than the sum of its proper divisors (133648736).

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

126312304 is a wasteful number, since it uses less digits than its factorization.

126312304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3817 (or 3811 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 126312304 is about 11238.8746767637. The cubic root of 126312304 is about 501.7436509610.

Adding to 126312304 its reverse (403213621), we get a palindrome (529525925).

The spelling of 126312304 in words is "one hundred twenty-six million, three hundred twelve thousand, three hundred four".