117429209 has 8 divisors (see below), whose sum is σ = 123206400. Its totient is φ = 111776400.

The previous prime is 117429203. The next prime is 117429233. The reversal of 117429209 is 902924711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117429209 - 2⁸ = 117428953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117429203) 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, 29159 + ... + 32940.

It is an arithmetic number, because the mean of its divisors is an integer number (15400800).

Almost surely, 2^117429209 is an apocalyptic number.

It is an amenable number.

117429209 is a deficient number, since it is larger than the sum of its proper divisors (5777191).

117429209 is an equidigital number, since it uses as much as digits as its factorization.

117429209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62191.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 117429209 is about 10836.4758570303. The cubic root of 117429209 is about 489.6946716467.

The spelling of 117429209 in words is "one hundred seventeen million, four hundred twenty-nine thousand, two hundred nine".