126443268 has 120 divisors (see below), whose sum is σ = 381028032. Its totient is φ = 35816256.

The previous prime is 126443267. The next prime is 126443269. The reversal of 126443268 is 862344621.

126443268 is a `hidden beast` number, since 1 + 2 + 644 + 3 + 2 + 6 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (126443267) and next prime (126443269).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126443267) 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 39 ways as a sum of consecutive naturals, for example, 446655 + ... + 446937.

Almost surely, 2^126443268 is an apocalyptic number.

126443268 is a gapful number since it is divisible by the number (18) 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 126443268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190514016).

126443268 is an abundant number, since it is smaller than the sum of its proper divisors (254584764).

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

126443268 is a wasteful number, since it uses less digits than its factorization.

126443268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 492 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 126443268 is about 11244.6995513442. The cubic root of 126443268 is about 501.9169981763.

Adding to 126443268 its reverse (862344621), we get a palindrome (988787889).

The spelling of 126443268 in words is "one hundred twenty-six million, four hundred forty-three thousand, two hundred sixty-eight".