1242547468 has 24 divisors (see below), whose sum is σ = 2246644512. Its totient is φ = 600850944.

The previous prime is 1242547463. The next prime is 1242547477. The reversal of 1242547468 is 8647452421.

It is a super-2 number, since 2×1242547468² = 3087848420466422048, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1242547463) 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, 421 + ... + 49852.

It is an arithmetic number, because the mean of its divisors is an integer number (93610188).

Almost surely, 2^1242547468 is an apocalyptic number.

It is an amenable number.

1242547468 is a deficient number, since it is larger than the sum of its proper divisors (1004097044).

1242547468 is a wasteful number, since it uses less digits than its factorization.

1242547468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50481 (or 50479 counting only the distinct ones).

The product of its digits is 430080, while the sum is 43.

The square root of 1242547468 is about 35249.7867794970. The cubic root of 1242547468 is about 1075.0722772388.

Adding to 1242547468 its reverse (8647452421), we get a palindrome (9889999889).

The spelling of 1242547468 in words is "one billion, two hundred forty-two million, five hundred forty-seven thousand, four hundred sixty-eight".