1243434034 has 8 divisors (see below), whose sum is σ = 1877031468. Its totient is φ = 617756880.

The previous prime is 1243434011. The next prime is 1243434083. The reversal of 1243434034 is 4304343421.

It can be written as a sum of positive squares in 2 ways, for example, as 1235733409 + 7700625 = 35153^2 + 2775^2 .

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

It is a super-2 number, since 2×1243434034² = 3092256393819026312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1243433993 and 1243434011.

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 3 ways as a sum of consecutive naturals, for example, 1979677 + ... + 1980304.

Almost surely, 2^1243434034 is an apocalyptic number.

1243434034 is a deficient number, since it is larger than the sum of its proper divisors (633597434).

1243434034 is a wasteful number, since it uses less digits than its factorization.

1243434034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960140.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 1243434034 is about 35262.3600174464. The cubic root of 1243434034 is about 1075.3279068912.

Adding to 1243434034 its reverse (4304343421), we get a palindrome (5547777455).

The spelling of 1243434034 in words is "one billion, two hundred forty-three million, four hundred thirty-four thousand, thirty-four".