1242343434 has 8 divisors (see below), whose sum is σ = 2484686880. Its totient is φ = 414114476.

The previous prime is 1242343409. The next prime is 1242343439. The reversal of 1242343434 is 4343432421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1242343434 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1242343439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103528614 + ... + 103528625.

It is an arithmetic number, because the mean of its divisors is an integer number (310585860).

Almost surely, 2^1242343434 is an apocalyptic number.

1242343434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1242343434 is a wasteful number, since it uses less digits than its factorization.

1242343434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207057244.

The product of its digits is 27648, while the sum is 30.

The square root of 1242343434 is about 35246.8925438825. The cubic root of 1242343434 is about 1075.0134295059.

Adding to 1242343434 its reverse (4343432421), we get a palindrome (5585775855).

The spelling of 1242343434 in words is "one billion, two hundred forty-two million, three hundred forty-three thousand, four hundred thirty-four".