126424272 has 80 divisors (see below), whose sum is σ = 356102208. Its totient is φ = 38415360.

The previous prime is 126424241. The next prime is 126424283. The reversal of 126424272 is 272424621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50572 + ... + 53012.

Almost surely, 2^126424272 is an apocalyptic number.

126424272 is a gapful number since it is divisible by the number (12) 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 126424272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178051104).

126424272 is an abundant number, since it is smaller than the sum of its proper divisors (229677936).

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

126424272 is a wasteful number, since it uses less digits than its factorization.

126424272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548 (or 2542 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 126424272 is about 11243.8548549863. The cubic root of 126424272 is about 501.8918620212.

Adding to 126424272 its reverse (272424621), we get a palindrome (398848893).

The spelling of 126424272 in words is "one hundred twenty-six million, four hundred twenty-four thousand, two hundred seventy-two".