126504042 has 16 divisors (see below), whose sum is σ = 289152192. Its totient is φ = 36144000.

The previous prime is 126504029. The next prime is 126504121. The reversal of 126504042 is 240405621.

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, 1505959 + ... + 1506042.

It is an arithmetic number, because the mean of its divisors is an integer number (18072012).

Almost surely, 2^126504042 is an apocalyptic number.

126504042 is an abundant number, since it is smaller than the sum of its proper divisors (162648150).

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

126504042 is a wasteful number, since it uses less digits than its factorization.

126504042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012013.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 126504042 is about 11247.4015665842. The cubic root of 126504042 is about 501.9973994987.

Adding to 126504042 its reverse (240405621), we get a palindrome (366909663).

The spelling of 126504042 in words is "one hundred twenty-six million, five hundred four thousand, forty-two".