1242436126 has 16 divisors (see below), whose sum is σ = 2059077024. Its totient is φ = 559254784.

The previous prime is 1242436093. The next prime is 1242436147. The reversal of 1242436126 is 6216342421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793615 + ... + 795178.

It is an arithmetic number, because the mean of its divisors is an integer number (128692314).

Almost surely, 2^1242436126 is an apocalyptic number.

1242436126 is a deficient number, since it is larger than the sum of its proper divisors (816640898).

1242436126 is a wasteful number, since it uses less digits than its factorization.

1242436126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588835.

The product of its digits is 13824, while the sum is 31.

The square root of 1242436126 is about 35248.2074154133. The cubic root of 1242436126 is about 1075.0401646432.

Adding to 1242436126 its reverse (6216342421), we get a palindrome (7458778547).

The spelling of 1242436126 in words is "one billion, two hundred forty-two million, four hundred thirty-six thousand, one hundred twenty-six".