1115870233 has 4 divisors (see below), whose sum is σ = 1117345060. Its totient is φ = 1114395408.

The previous prime is 1115870159. The next prime is 1115870237. The reversal of 1115870233 is 3320785111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 216590089 + 899280144 = 14717^2 + 29988^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115870233 - 2⁹ = 1115869721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1115870195 and 1115870204.

It is not an unprimeable number, because it can be changed into a prime (1115870237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736278 + ... + 737791.

It is an arithmetic number, because the mean of its divisors is an integer number (279336265).

Almost surely, 2^1115870233 is an apocalyptic number.

It is an amenable number.

1115870233 is a deficient number, since it is larger than the sum of its proper divisors (1474827).

1115870233 is an equidigital number, since it uses as much as digits as its factorization.

1115870233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474826.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1115870233 is about 33404.6438837477. The cubic root of 1115870233 is about 1037.2208321905.

The spelling of 1115870233 in words is "one billion, one hundred fifteen million, eight hundred seventy thousand, two hundred thirty-three".