1117432117 has 4 divisors (see below), whose sum is σ = 1183163436. Its totient is φ = 1051700800.

The previous prime is 1117432111. The next prime is 1117432133. The reversal of 1117432117 is 7112347111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 398441521 + 718990596 = 19961^2 + 26814^2 .

It is a cyclic number.

It is not a de Polignac number, because 1117432117 - 2⁷ = 1117431989 is a prime.

It is a super-2 number, since 2×1117432117² = 2497309072206203378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117432111) 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, 32865634 + ... + 32865667.

It is an arithmetic number, because the mean of its divisors is an integer number (295790859).

Almost surely, 2^1117432117 is an apocalyptic number.

1117432117 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1117432117 is a deficient number, since it is larger than the sum of its proper divisors (65731319).

1117432117 is an equidigital number, since it uses as much as digits as its factorization.

1117432117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65731318.

The product of its digits is 1176, while the sum is 28.

The square root of 1117432117 is about 33428.0139553638. The cubic root of 1117432117 is about 1037.7045393799.

Adding to 1117432117 its reverse (7112347111), we get a palindrome (8229779228).

The spelling of 1117432117 in words is "one billion, one hundred seventeen million, four hundred thirty-two thousand, one hundred seventeen".