117111949 has 8 divisors (see below), whose sum is σ = 120142008. Its totient is φ = 114090240.

The previous prime is 117111941. The next prime is 117111971. The reversal of 117111949 is 949111711.

It can be written as a sum of positive squares in 4 ways, for example, as 26728900 + 90383049 = 5170^2 + 9507^2 .

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 117111949 - 2³ = 117111941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117111941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34329 + ... + 37585.

It is an arithmetic number, because the mean of its divisors is an integer number (15017751).

Almost surely, 2^117111949 is an apocalyptic number.

It is an amenable number.

117111949 is a deficient number, since it is larger than the sum of its proper divisors (3030059).

117111949 is an equidigital number, since it uses as much as digits as its factorization.

117111949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175.

The product of its digits is 2268, while the sum is 34.

The square root of 117111949 is about 10821.8274334791. The cubic root of 117111949 is about 489.2532691018.

The spelling of 117111949 in words is "one hundred seventeen million, one hundred eleven thousand, nine hundred forty-nine".