1117549343 has 4 divisors (see below), whose sum is σ = 1117727040. Its totient is φ = 1117371648.

The previous prime is 1117549309. The next prime is 1117549351. The reversal of 1117549343 is 3439457111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3439457111 = 5839 ⋅589049.

It is a cyclic number.

It is not a de Polignac number, because 1117549343 - 2²⁰ = 1116500767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1117549297 and 1117549306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117549373) 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, 79055 + ... + 92112.

It is an arithmetic number, because the mean of its divisors is an integer number (279431760).

Almost surely, 2^1117549343 is an apocalyptic number.

1117549343 is a deficient number, since it is larger than the sum of its proper divisors (177697).

1117549343 is an equidigital number, since it uses as much as digits as its factorization.

1117549343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177696.

The product of its digits is 45360, while the sum is 38.

The square root of 1117549343 is about 33429.7673189629. The cubic root of 1117549343 is about 1037.7408254615.

The spelling of 1117549343 in words is "one billion, one hundred seventeen million, five hundred forty-nine thousand, three hundred forty-three".