117012009 has 8 divisors (see below), whose sum is σ = 156265792. Its totient is φ = 77883120.

The previous prime is 117012001. The next prime is 117012023. The reversal of 117012009 is 900210711.

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

It is not a de Polignac number, because 117012009 - 2³ = 117012001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117012001) 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, 29014 + ... + 32799.

It is an arithmetic number, because the mean of its divisors is an integer number (19533224).

Almost surely, 2^117012009 is an apocalyptic number.

It is an amenable number.

117012009 is a deficient number, since it is larger than the sum of its proper divisors (39253783).

117012009 is an equidigital number, since it uses as much as digits as its factorization.

117012009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62447.

The product of its (nonzero) digits is 126, while the sum is 21.

The square root of 117012009 is about 10817.2089283696. The cubic root of 117012009 is about 489.1140578954.

The spelling of 117012009 in words is "one hundred seventeen million, twelve thousand, nine".