1242124064 has 12 divisors (see below), whose sum is σ = 2445431814. Its totient is φ = 621062016.

The previous prime is 1242124021. The next prime is 1242124067. The reversal of 1242124064 is 4604212421.

It can be written as a sum of positive squares in only one way, i.e., 762864400 + 479259664 = 27620^2 + 21892^2 .

It is not an unprimeable number, because it can be changed into a prime (1242124067) 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 as a sum of consecutive naturals, namely, 19408157 + ... + 19408220.

Almost surely, 2^1242124064 is an apocalyptic number.

It is an amenable number.

1242124064 is a deficient number, since it is larger than the sum of its proper divisors (1203307750).

1242124064 is an equidigital number, since it uses as much as digits as its factorization.

1242124064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38816387 (or 38816379 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 1242124064 is about 35243.7805009622. The cubic root of 1242124064 is about 1074.9501513572.

Adding to 1242124064 its reverse (4604212421), we get a palindrome (5846336485).

The spelling of 1242124064 in words is "one billion, two hundred forty-two million, one hundred twenty-four thousand, sixty-four".