1117509097 has 4 divisors (see below), whose sum is σ = 1119170260. Its totient is φ = 1115847936.

The previous prime is 1117509091. The next prime is 1117509101. The reversal of 1117509097 is 7909057111.

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 787868761 + 329640336 = 28069^2 + 18156^2 .

It is a cyclic number.

It is not a de Polignac number, because 1117509097 - 2²³ = 1109120489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1117509091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829572 + ... + 830917.

It is an arithmetic number, because the mean of its divisors is an integer number (279792565).

Almost surely, 2^1117509097 is an apocalyptic number.

It is an amenable number.

1117509097 is a deficient number, since it is larger than the sum of its proper divisors (1661163).

1117509097 is an equidigital number, since it uses as much as digits as its factorization.

1117509097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661162.

The product of its (nonzero) digits is 19845, while the sum is 40.

The square root of 1117509097 is about 33429.1653649923. The cubic root of 1117509097 is about 1037.7283680194.

The spelling of 1117509097 in words is "one billion, one hundred seventeen million, five hundred nine thousand, ninety-seven".