1117272839 has 4 divisors (see below), whose sum is σ = 1118183160. Its totient is φ = 1116362520.

The previous prime is 1117272809. The next prime is 1117272847. The reversal of 1117272839 is 9382727111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1117272839 - 2²⁴ = 1100495623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1117272796 and 1117272805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117272809) 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, 453317 + ... + 455774.

It is an arithmetic number, because the mean of its divisors is an integer number (279545790).

Almost surely, 2^1117272839 is an apocalyptic number.

1117272839 is a deficient number, since it is larger than the sum of its proper divisors (910321).

1117272839 is an equidigital number, since it uses as much as digits as its factorization.

1117272839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910320.

The product of its digits is 42336, while the sum is 41.

The square root of 1117272839 is about 33425.6314674832. The cubic root of 1117272839 is about 1037.6552324750.

It can be divided in two parts, 1117272 and 839, that added together give a palindrome (1118111).

The spelling of 1117272839 in words is "one billion, one hundred seventeen million, two hundred seventy-two thousand, eight hundred thirty-nine".