126642448 has 40 divisors (see below), whose sum is σ = 259085600. Its totient is φ = 59802624.

The previous prime is 126642443. The next prime is 126642457. The reversal of 126642448 is 844246621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (126642443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 187840 + ... + 188512.

It is an arithmetic number, because the mean of its divisors is an integer number (6477140).

Almost surely, 2^126642448 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 126642448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129542800).

126642448 is an abundant number, since it is smaller than the sum of its proper divisors (132443152).

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

126642448 is a wasteful number, since it uses less digits than its factorization.

126642448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319 (or 1313 counting only the distinct ones).

The product of its digits is 73728, while the sum is 37.

The square root of 126642448 is about 11253.5526834862. The cubic root of 126642448 is about 502.1804084830.

The spelling of 126642448 in words is "one hundred twenty-six million, six hundred forty-two thousand, four hundred forty-eight".