126452224 has 60 divisors (see below), whose sum is σ = 262086462. Its totient is φ = 60948480.

The previous prime is 126452191. The next prime is 126452237. The reversal of 126452224 is 422254621.

It can be written as a sum of positive squares in only one way, i.e., 71098624 + 55353600 = 8432^2 + 7440^2 .

It is a junction number, because it is equal to n+sod(n) for n = 126452192 and 126452201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 491904 + ... + 492160.

Almost surely, 2^126452224 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 126452224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131043231).

126452224 is an abundant number, since it is smaller than the sum of its proper divisors (135634238).

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

126452224 is an frugal number, since it uses more digits than its factorization.

126452224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 290 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 126452224 is about 11245.0977763646. The cubic root of 126452224 is about 501.9288481877.

The spelling of 126452224 in words is "one hundred twenty-six million, four hundred fifty-two thousand, two hundred twenty-four".