126278244 has 96 divisors (see below), whose sum is σ = 350380800. Its totient is φ = 39191040.

The previous prime is 126278233. The next prime is 126278263. The reversal of 126278244 is 442872621.

126278244 is a `hidden beast` number, since 1 + 2 + 627 + 8 + 24 + 4 = 666.

126278244 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

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

126278244 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 126278199 and 126278208.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199809 + ... + 200439.

It is an arithmetic number, because the mean of its divisors is an integer number (3649800).

Almost surely, 2^126278244 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 126278244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175190400).

126278244 is an abundant number, since it is smaller than the sum of its proper divisors (224102556).

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

126278244 is a wasteful number, since it uses less digits than its factorization.

126278244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 762 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 126278244 is about 11237.3592983405. The cubic root of 126278244 is about 501.6985486643.

The spelling of 126278244 in words is "one hundred twenty-six million, two hundred seventy-eight thousand, two hundred forty-four".