126328240 has 20 divisors (see below), whose sum is σ = 293713344. Its totient is φ = 50531264.

The previous prime is 126328219. The next prime is 126328243. The reversal of 126328240 is 42823621.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 126328199 and 126328208.

It is not an unprimeable number, because it can be changed into a prime (126328243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789472 + ... + 789631.

Almost surely, 2^126328240 is an apocalyptic number.

126328240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126328240 is an abundant number, since it is smaller than the sum of its proper divisors (167385104).

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

126328240 is a wasteful number, since it uses less digits than its factorization.

126328240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579116 (or 1579110 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 126328240 is about 11239.5836221810. The cubic root of 126328240 is about 501.7647506489.

The spelling of 126328240 in words is "one hundred twenty-six million, three hundred twenty-eight thousand, two hundred forty".