117123409 has 8 divisors (see below), whose sum is σ = 126224000. Its totient is φ = 108035856.

The previous prime is 117123403. The next prime is 117123439. The reversal of 117123409 is 904321711.

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 117123409 - 2¹³ = 117115217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117123403) 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, 23734 + ... + 28240.

It is an arithmetic number, because the mean of its divisors is an integer number (15778000).

Almost surely, 2^117123409 is an apocalyptic number.

It is an amenable number.

117123409 is a deficient number, since it is larger than the sum of its proper divisors (9100591).

117123409 is a wasteful number, since it uses less digits than its factorization.

117123409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6519.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 117123409 is about 10822.3569059609. The cubic root of 117123409 is about 489.2692272218.

The spelling of 117123409 in words is "one hundred seventeen million, one hundred twenty-three thousand, four hundred nine".