126503442 has 24 divisors (see below), whose sum is σ = 295175244. Its totient is φ = 38924064.

The previous prime is 126503441. The next prime is 126503449. The reversal of 126503442 is 244305621.

126503442 is a `hidden beast` number, since 1 + 2 + 650 + 3 + 4 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 123010281 + 3493161 = 11091^2 + 1869^2 .

It is not an unprimeable number, because it can be changed into a prime (126503441) 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 11 ways as a sum of consecutive naturals, for example, 270073 + ... + 270540.

Almost surely, 2^126503442 is an apocalyptic number.

126503442 is an abundant number, since it is smaller than the sum of its proper divisors (168671802).

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

126503442 is a wasteful number, since it uses less digits than its factorization.

126503442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540634 (or 540631 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 126503442 is about 11247.3748937252. The cubic root of 126503442 is about 501.9966058510.

The spelling of 126503442 in words is "one hundred twenty-six million, five hundred three thousand, four hundred forty-two".