1242244434 has 32 divisors (see below), whose sum is σ = 2769094080. Its totient is φ = 369211392.

The previous prime is 1242244429. The next prime is 1242244441. The reversal of 1242244434 is 4344422421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318559 + ... + 322434.

It is an arithmetic number, because the mean of its divisors is an integer number (86534190).

Almost surely, 2^1242244434 is an apocalyptic number.

1242244434 is an abundant number, since it is smaller than the sum of its proper divisors (1526849646).

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

1242244434 is a wasteful number, since it uses less digits than its factorization.

1242244434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641034.

The product of its digits is 24576, while the sum is 30.

The square root of 1242244434 is about 35245.4881367814. The cubic root of 1242244434 is about 1074.9848734846.

Adding to 1242244434 its reverse (4344422421), we get a palindrome (5586666855).

The spelling of 1242244434 in words is "one billion, two hundred forty-two million, two hundred forty-four thousand, four hundred thirty-four".