1115433238 has 4 divisors (see below), whose sum is σ = 1673149860. Its totient is φ = 557716618.

The previous prime is 1115433203. The next prime is 1115433239. The reversal of 1115433238 is 8323345111.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115433239) by changing a digit.

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 as a sum of consecutive naturals, namely, 278858308 + ... + 278858311.

It is an arithmetic number, because the mean of its divisors is an integer number (418287465).

Almost surely, 2^1115433238 is an apocalyptic number.

1115433238 is a deficient number, since it is larger than the sum of its proper divisors (557716622).

1115433238 is an equidigital number, since it uses as much as digits as its factorization.

1115433238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557716621.

The product of its digits is 8640, while the sum is 31.

The square root of 1115433238 is about 33398.1023113589. The cubic root of 1115433238 is about 1037.0854163553.

Adding to 1115433238 its reverse (8323345111), we get a palindrome (9438778349).

The spelling of 1115433238 in words is "one billion, one hundred fifteen million, four hundred thirty-three thousand, two hundred thirty-eight".