1115004872 has 8 divisors (see below), whose sum is σ = 2090634150. Its totient is φ = 557502432.

The previous prime is 1115004871. The next prime is 1115004901. The reversal of 1115004872 is 2784005111.

It can be written as a sum of positive squares in only one way, i.e., 776959876 + 338044996 = 27874^2 + 18386^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1115004871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69687797 + ... + 69687812.

Almost surely, 2^1115004872 is an apocalyptic number.

It is an amenable number.

1115004872 is a deficient number, since it is larger than the sum of its proper divisors (975629278).

1115004872 is a wasteful number, since it uses less digits than its factorization.

1115004872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139375615 (or 139375611 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 1115004872 is about 33391.6886664930. The cubic root of 1115004872 is about 1036.9526401394.

Adding to 1115004872 its reverse (2784005111), we get a palindrome (3899009983).

The spelling of 1115004872 in words is "one billion, one hundred fifteen million, four thousand, eight hundred seventy-two".