126204042 has 16 divisors (see below), whose sum is σ = 265692960. Its totient is φ = 39853872.

The previous prime is 126204041. The next prime is 126204053. The reversal of 126204042 is 240402621.

It is not an unprimeable number, because it can be changed into a prime (126204041) 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, 553413 + ... + 553640.

It is an arithmetic number, because the mean of its divisors is an integer number (16605810).

Almost surely, 2^126204042 is an apocalyptic number.

126204042 is an abundant number, since it is smaller than the sum of its proper divisors (139488918).

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

126204042 is a wasteful number, since it uses less digits than its factorization.

126204042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107077.

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

The square root of 126204042 is about 11234.0572368134. The cubic root of 126204042 is about 501.6002621912.

Adding to 126204042 its reverse (240402621), we get a palindrome (366606663).

The spelling of 126204042 in words is "one hundred twenty-six million, two hundred four thousand, forty-two".