1242435522 has 16 divisors (see below), whose sum is σ = 2488972032. Its totient is φ = 413461680.

The previous prime is 1242435443. The next prime is 1242435559. The reversal of 1242435522 is 2255342421.

It is a self number, because there is not a number n which added to its sum of digits gives 1242435522.

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, 166929 + ... + 174212.

It is an arithmetic number, because the mean of its divisors is an integer number (155560752).

Almost surely, 2^1242435522 is an apocalyptic number.

1242435522 is an abundant number, since it is smaller than the sum of its proper divisors (1246536510).

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

1242435522 is a wasteful number, since it uses less digits than its factorization.

1242435522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341753.

The product of its digits is 19200, while the sum is 30.

The square root of 1242435522 is about 35248.1988476007. The cubic root of 1242435522 is about 1075.0399904359.

Adding to 1242435522 its reverse (2255342421), we get a palindrome (3497777943).

The spelling of 1242435522 in words is "one billion, two hundred forty-two million, four hundred thirty-five thousand, five hundred twenty-two".