1115413247 has 4 divisors (see below), whose sum is σ = 1201214280. Its totient is φ = 1029612216.

The previous prime is 1115413223. The next prime is 1115413279. The reversal of 1115413247 is 7423145111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7423145111 = 1637 ⋅4534603.

It is a cyclic number.

It is not a de Polignac number, because 1115413247 - 2¹⁰ = 1115412223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115013247) 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, 42900497 + ... + 42900522.

It is an arithmetic number, because the mean of its divisors is an integer number (300303570).

Almost surely, 2^1115413247 is an apocalyptic number.

1115413247 is a deficient number, since it is larger than the sum of its proper divisors (85801033).

1115413247 is an equidigital number, since it uses as much as digits as its factorization.

1115413247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85801032.

The product of its digits is 3360, while the sum is 29.

The square root of 1115413247 is about 33397.8030265465. The cubic root of 1115413247 is about 1037.0792207063.

Adding to 1115413247 its reverse (7423145111), we get a palindrome (8538558358).

The spelling of 1115413247 in words is "one billion, one hundred fifteen million, four hundred thirteen thousand, two hundred forty-seven".