1181412115 has 32 divisors (see below), whose sum is σ = 1612296000. Its totient is φ = 823841280.

The previous prime is 1181412107. The next prime is 1181412157. The reversal of 1181412115 is 5112141811.

It is not a de Polignac number, because 1181412115 - 2³ = 1181412107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1181412115.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 429645 + ... + 432385.

It is an arithmetic number, because the mean of its divisors is an integer number (50384250).

Almost surely, 2^1181412115 is an apocalyptic number.

1181412115 is a deficient number, since it is larger than the sum of its proper divisors (430883885).

1181412115 is a wasteful number, since it uses less digits than its factorization.

1181412115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127.

The product of its digits is 320, while the sum is 25.

The square root of 1181412115 is about 34371.6760574750. The cubic root of 1181412115 is about 1057.1431662361.

Adding to 1181412115 its reverse (5112141811), we get a palindrome (6293553926).

The spelling of 1181412115 in words is "one billion, one hundred eighty-one million, four hundred twelve thousand, one hundred fifteen".