126024240 has 40 divisors (see below), whose sum is σ = 390675888. Its totient is φ = 33606400.

The previous prime is 126024233. The next prime is 126024251. The reversal of 126024240 is 42420621.

It is a tau number, because it is divible by the number of its divisors (40).

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, 262311 + ... + 262790.

Almost surely, 2^126024240 is an apocalyptic number.

126024240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126024240 is an abundant number, since it is smaller than the sum of its proper divisors (264651648).

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

126024240 is a wasteful number, since it uses less digits than its factorization.

126024240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525117 (or 525111 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 126024240 is about 11226.0518438140. The cubic root of 126024240 is about 501.3619402028.

Adding to 126024240 its reverse (42420621), we get a palindrome (168444861).

The spelling of 126024240 in words is "one hundred twenty-six million, twenty-four thousand, two hundred forty".