117351047 has 4 divisors (see below), whose sum is σ = 128019336. Its totient is φ = 106682760.

The previous prime is 117351043. The next prime is 117351071. The reversal of 117351047 is 740153711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117351047 - 2² = 117351043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117351041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5334128 + ... + 5334149.

It is an arithmetic number, because the mean of its divisors is an integer number (32004834).

Almost surely, 2^117351047 is an apocalyptic number.

117351047 is a deficient number, since it is larger than the sum of its proper divisors (10668289).

117351047 is a wasteful number, since it uses less digits than its factorization.

117351047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10668288.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 117351047 is about 10832.8688259390. The cubic root of 117351047 is about 489.5859990527.

The spelling of 117351047 in words is "one hundred seventeen million, three hundred fifty-one thousand, forty-seven".