1106181243 has 12 divisors (see below), whose sum is σ = 1598110800. Its totient is φ = 737318736.

The previous prime is 1106181239. The next prime is 1106181253. The reversal of 1106181243 is 3421816011.

It is a happy number.

1106181243 is a `hidden beast` number, since 1 + 1 + 0 + 618 + 1 + 2 + 43 = 666.

It is not a de Polignac number, because 1106181243 - 2² = 1106181239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1106181233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75858 + ... + 89256.

It is an arithmetic number, because the mean of its divisors is an integer number (133175900).

Almost surely, 2^1106181243 is an apocalyptic number.

1106181243 is a deficient number, since it is larger than the sum of its proper divisors (491929557).

1106181243 is a wasteful number, since it uses less digits than its factorization.

1106181243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22578 (or 22575 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1106181243 is about 33259.3031045450. The cubic root of 1106181243 is about 1034.2100728979.

Adding to 1106181243 its reverse (3421816011), we get a palindrome (4527997254).

The spelling of 1106181243 in words is "one billion, one hundred six million, one hundred eighty-one thousand, two hundred forty-three".