117805234 has 4 divisors (see below), whose sum is σ = 176707854. Its totient is φ = 58902616.

The previous prime is 117805231. The next prime is 117805253. The reversal of 117805234 is 432508711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432508711 = 47 ⋅9202313.

It can be written as a sum of positive squares in only one way, i.e., 68145025 + 49660209 = 8255^2 + 7047^2 .

It is a junction number, because it is equal to n+sod(n) for n = 117805196 and 117805205.

It is not an unprimeable number, because it can be changed into a prime (117805231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29451307 + ... + 29451310.

Almost surely, 2^117805234 is an apocalyptic number.

117805234 is a deficient number, since it is larger than the sum of its proper divisors (58902620).

117805234 is an equidigital number, since it uses as much as digits as its factorization.

117805234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58902619.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 117805234 is about 10853.8119570960. The cubic root of 117805234 is about 490.2168053493.

The spelling of 117805234 in words is "one hundred seventeen million, eight hundred five thousand, two hundred thirty-four".