1180534117 has 12 divisors (see below), whose sum is σ = 1420630380. Its totient is φ = 976992576.

The previous prime is 1180534081. The next prime is 1180534151. The reversal of 1180534117 is 7114350811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 508998721 + 671535396 = 22561^2 + 25914^2 .

It is not a de Polignac number, because 1180534117 - 2²⁷ = 1046316389 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 (1180531117) 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, 413968 + ... + 416809.

It is an arithmetic number, because the mean of its divisors is an integer number (118385865).

Almost surely, 2^1180534117 is an apocalyptic number.

It is an amenable number.

1180534117 is a deficient number, since it is larger than the sum of its proper divisors (240096263).

1180534117 is an equidigital number, since it uses as much as digits as its factorization.

1180534117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830820 (or 830813 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 1180534117 is about 34358.9015685892. The cubic root of 1180534117 is about 1056.8812199319.

Adding to 1180534117 its reverse (7114350811), we get a palindrome (8294884928).

The spelling of 1180534117 in words is "one billion, one hundred eighty million, five hundred thirty-four thousand, one hundred seventeen".