117419805 has 12 divisors (see below), whose sum is σ = 203527740. Its totient is φ = 62623872.

The previous prime is 117419803. The next prime is 117419837. The reversal of 117419805 is 508914711.

It can be written as a sum of positive squares in 2 ways, for example, as 24740676 + 92679129 = 4974^2 + 9627^2 .

It is not a de Polignac number, because 117419805 - 2¹ = 117419803 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 117419805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117419803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1304620 + ... + 1304709.

It is an arithmetic number, because the mean of its divisors is an integer number (16960645).

Almost surely, 2^117419805 is an apocalyptic number.

117419805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117419805 is a deficient number, since it is larger than the sum of its proper divisors (86107935).

117419805 is a wasteful number, since it uses less digits than its factorization.

117419805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609340 (or 2609337 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 117419805 is about 10836.0419434404. The cubic root of 117419805 is about 489.6815993408.

The spelling of 117419805 in words is "one hundred seventeen million, four hundred nineteen thousand, eight hundred five".