117431225 has 6 divisors (see below), whose sum is σ = 145614750. Its totient is φ = 93944960.

The previous prime is 117431219. The next prime is 117431233. The reversal of 117431225 is 522134711.

It can be written as a sum of positive squares in 3 ways, for example, as 25482304 + 91948921 = 5048^2 + 9589^2 .

It is not a de Polignac number, because 117431225 - 2⁸ = 117430969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117431194 and 117431203.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2348600 + ... + 2348649.

It is an arithmetic number, because the mean of its divisors is an integer number (24269125).

Almost surely, 2^117431225 is an apocalyptic number.

It is an amenable number.

117431225 is a deficient number, since it is larger than the sum of its proper divisors (28183525).

117431225 is an equidigital number, since it uses as much as digits as its factorization.

117431225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4697259 (or 4697254 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 117431225 is about 10836.5688758020. The cubic root of 117431225 is about 489.6974739558.

Adding to 117431225 its reverse (522134711), we get a palindrome (639565936).

The spelling of 117431225 in words is "one hundred seventeen million, four hundred thirty-one thousand, two hundred twenty-five".