117030857 has 4 divisors (see below), whose sum is σ = 117643776. Its totient is φ = 116417940.

The previous prime is 117030853. The next prime is 117030869. The reversal of 117030857 is 758030711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117030857 - 2² = 117030853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117030853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306173 + ... + 306554.

It is an arithmetic number, because the mean of its divisors is an integer number (29410944).

Almost surely, 2^117030857 is an apocalyptic number.

It is an amenable number.

117030857 is a deficient number, since it is larger than the sum of its proper divisors (612919).

117030857 is an equidigital number, since it uses as much as digits as its factorization.

117030857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612918.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 117030857 is about 10818.0800976883. The cubic root of 117030857 is about 489.1403182394.

The spelling of 117030857 in words is "one hundred seventeen million, thirty thousand, eight hundred fifty-seven".