126339632 has 40 divisors (see below), whose sum is σ = 254269440. Its totient is φ = 60747840.

The previous prime is 126339623. The next prime is 126339637. The reversal of 126339632 is 236933621.

It is a super-2 number, since 2×126339632² = 31923405227790848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126339592 and 126339601.

It is not an unprimeable number, because it can be changed into a prime (126339637) by changing a digit.

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, 88073 + ... + 89495.

It is an arithmetic number, because the mean of its divisors is an integer number (6356736).

Almost surely, 2^126339632 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 126339632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127134720).

126339632 is an abundant number, since it is smaller than the sum of its proper divisors (127929808).

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

126339632 is a wasteful number, since it uses less digits than its factorization.

126339632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641 (or 1635 counting only the distinct ones).

The product of its digits is 34992, while the sum is 35.

The square root of 126339632 is about 11240.0903910956. The cubic root of 126339632 is about 501.7798328723.

The spelling of 126339632 in words is "one hundred twenty-six million, three hundred thirty-nine thousand, six hundred thirty-two".