1117270231 has 8 divisors (see below), whose sum is σ = 1392960384. Its totient is φ = 870600120.

The previous prime is 1117270199. The next prime is 1117270261. The reversal of 1117270231 is 1320727111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1117270231 - 2⁵ = 1117270199 is a prime.

It is a super-2 number, since 2×1117270231² = 2496585538157586722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1117270196 and 1117270205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117270261) 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 7 ways as a sum of consecutive naturals, for example, 7254925 + ... + 7255078.

It is an arithmetic number, because the mean of its divisors is an integer number (174120048).

Almost surely, 2^1117270231 is an apocalyptic number.

1117270231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1117270231 is a deficient number, since it is larger than the sum of its proper divisors (275690153).

1117270231 is a wasteful number, since it uses less digits than its factorization.

1117270231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14510021.

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 1117270231 is about 33425.5924554824. The cubic root of 1117270231 is about 1037.6544250903.

Adding to 1117270231 its reverse (1320727111), we get a palindrome (2437997342).

The spelling of 1117270231 in words is "one billion, one hundred seventeen million, two hundred seventy thousand, two hundred thirty-one".