126103242 has 16 divisors (see below), whose sum is σ = 255759552. Its totient is φ = 41442240.

The previous prime is 126103217. The next prime is 126103261. The reversal of 126103242 is 242301621.

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, 147583 + ... + 148434.

It is an arithmetic number, because the mean of its divisors is an integer number (15984972).

Almost surely, 2^126103242 is an apocalyptic number.

126103242 is an abundant number, since it is smaller than the sum of its proper divisors (129656310).

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

126103242 is a wasteful number, since it uses less digits than its factorization.

126103242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296093.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 126103242 is about 11229.5699828622. The cubic root of 126103242 is about 501.4666828096.

Adding to 126103242 its reverse (242301621), we get a palindrome (368404863).

The spelling of 126103242 in words is "one hundred twenty-six million, one hundred three thousand, two hundred forty-two".