1117981417 has 8 divisors (see below), whose sum is σ = 1301800896. Its totient is φ = 940188912.

The previous prime is 1117981411. The next prime is 1117981441. The reversal of 1117981417 is 7141897111.

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 1117981417 - 2¹⁹ = 1117457129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1117981417.

It is not an unprimeable number, because it can be changed into a prime (1117981411) 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, 1506343 + ... + 1507084.

It is an arithmetic number, because the mean of its divisors is an integer number (162725112).

Almost surely, 2^1117981417 is an apocalyptic number.

It is an amenable number.

1117981417 is a deficient number, since it is larger than the sum of its proper divisors (183819479).

1117981417 is an equidigital number, since it uses as much as digits as its factorization.

1117981417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013487.

The product of its digits is 14112, while the sum is 40.

The square root of 1117981417 is about 33436.2291085583. The cubic root of 1117981417 is about 1037.8745475381.

The spelling of 1117981417 in words is "one billion, one hundred seventeen million, nine hundred eighty-one thousand, four hundred seventeen".