1242344562 has 16 divisors (see below), whose sum is σ = 2542473120. Its totient is φ = 404484192.

The previous prime is 1242344557. The next prime is 1242344573. The reversal of 1242344562 is 2654432421.

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, 2407387 + ... + 2407902.

It is an arithmetic number, because the mean of its divisors is an integer number (158904570).

Almost surely, 2^1242344562 is an apocalyptic number.

1242344562 is an abundant number, since it is smaller than the sum of its proper divisors (1300128558).

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

1242344562 is a wasteful number, since it uses less digits than its factorization.

1242344562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4815337.

The product of its digits is 46080, while the sum is 33.

The square root of 1242344562 is about 35246.9085452895. The cubic root of 1242344562 is about 1075.0137548628.

Adding to 1242344562 its reverse (2654432421), we get a palindrome (3896776983).

The spelling of 1242344562 in words is "one billion, two hundred forty-two million, three hundred forty-four thousand, five hundred sixty-two".