126451232 has 48 divisors (see below), whose sum is σ = 270547200. Its totient is φ = 57957120.

The previous prime is 126451187. The next prime is 126451243. The reversal of 126451232 is 232154621.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15494 + ... + 22202.

It is an arithmetic number, because the mean of its divisors is an integer number (5636400).

Almost surely, 2^126451232 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 126451232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135273600).

126451232 is an abundant number, since it is smaller than the sum of its proper divisors (144095968).

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

126451232 is a wasteful number, since it uses less digits than its factorization.

126451232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6769 (or 6761 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 126451232 is about 11245.0536681690. The cubic root of 126451232 is about 501.9275356638.

The spelling of 126451232 in words is "one hundred twenty-six million, four hundred fifty-one thousand, two hundred thirty-two".