1115213234 has 4 divisors (see below), whose sum is σ = 1672819854. Its totient is φ = 557606616.

The previous prime is 1115213201. The next prime is 1115213261. The reversal of 1115213234 is 4323125111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 782041225 + 333172009 = 27965^2 + 18253^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278803307 + ... + 278803310.

Almost surely, 2^1115213234 is an apocalyptic number.

1115213234 is a deficient number, since it is larger than the sum of its proper divisors (557606620).

1115213234 is an equidigital number, since it uses as much as digits as its factorization.

1115213234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557606619.

The product of its digits is 720, while the sum is 23.

The square root of 1115213234 is about 33394.8084887457. The cubic root of 1115213234 is about 1037.0172282186.

Adding to 1115213234 its reverse (4323125111), we get a palindrome (5438338345).

The spelling of 1115213234 in words is "one billion, one hundred fifteen million, two hundred thirteen thousand, two hundred thirty-four".