1243213034 has 8 divisors (see below), whose sum is σ = 2131222368. Its totient is φ = 532805580.

The previous prime is 1243213019. The next prime is 1243213063. The reversal of 1243213034 is 4303123421.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44400452 + ... + 44400479.

It is an arithmetic number, because the mean of its divisors is an integer number (266402796).

Almost surely, 2^1243213034 is an apocalyptic number.

1243213034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1243213034 is a deficient number, since it is larger than the sum of its proper divisors (888009334).

1243213034 is an equidigital number, since it uses as much as digits as its factorization.

1243213034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88800940.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1243213034 is about 35259.2262252024. The cubic root of 1243213034 is about 1075.2641958185.

Adding to 1243213034 its reverse (4303123421), we get a palindrome (5546336455).

The spelling of 1243213034 in words is "one billion, two hundred forty-three million, two hundred thirteen thousand, thirty-four".