1117577243 has 4 divisors (see below), whose sum is σ = 1117677960. Its totient is φ = 1117476528.

The previous prime is 1117577203. The next prime is 1117577273. The reversal of 1117577243 is 3427757111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1117577243 - 2²² = 1113382939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1117577197 and 1117577206.

It is not an unprimeable number, because it can be changed into a prime (1117577203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31313 + ... + 56706.

It is an arithmetic number, because the mean of its divisors is an integer number (279419490).

Almost surely, 2^1117577243 is an apocalyptic number.

1117577243 is a deficient number, since it is larger than the sum of its proper divisors (100717).

1117577243 is an equidigital number, since it uses as much as digits as its factorization.

1117577243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100716.

The product of its digits is 41160, while the sum is 38.

The square root of 1117577243 is about 33430.1846091223. The cubic root of 1117577243 is about 1037.7494612407.

The spelling of 1117577243 in words is "one billion, one hundred seventeen million, five hundred seventy-seven thousand, two hundred forty-three".