1115345229 has 4 divisors (see below), whose sum is σ = 1487126976. Its totient is φ = 743563484.

The previous prime is 1115345219. The next prime is 1115345243. The reversal of 1115345229 is 9225435111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1115345229 - 2¹¹ = 1115343181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1115345229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115345219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185890869 + ... + 185890874.

It is an arithmetic number, because the mean of its divisors is an integer number (371781744).

Almost surely, 2^1115345229 is an apocalyptic number.

It is an amenable number.

1115345229 is a deficient number, since it is larger than the sum of its proper divisors (371781747).

1115345229 is an equidigital number, since it uses as much as digits as its factorization.

1115345229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371781746.

The product of its digits is 10800, while the sum is 33.

The square root of 1115345229 is about 33396.7847105077. The cubic root of 1115345229 is about 1037.0581398831.

The spelling of 1115345229 in words is "one billion, one hundred fifteen million, three hundred forty-five thousand, two hundred twenty-nine".