117317571 has 16 divisors (see below), whose sum is σ = 188179200. Its totient is φ = 63510048.

The previous prime is 117317569. The next prime is 117317573. The reversal of 117317571 is 175713711.

It is an interprime number because it is at equal distance from previous prime (117317569) and next prime (117317573).

It is not a de Polignac number, because 117317571 - 2¹ = 117317569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117317573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146616 + ... + 147413.

It is an arithmetic number, because the mean of its divisors is an integer number (11761200).

Almost surely, 2^117317571 is an apocalyptic number.

117317571 is a deficient number, since it is larger than the sum of its proper divisors (70861629).

117317571 is a wasteful number, since it uses less digits than its factorization.

117317571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294058.

The product of its digits is 5145, while the sum is 33.

The square root of 117317571 is about 10831.3236033275. The cubic root of 117317571 is about 489.5394409123.

The spelling of 117317571 in words is "one hundred seventeen million, three hundred seventeen thousand, five hundred seventy-one".