117215701 has 4 divisors (see below), whose sum is σ = 119427372. Its totient is φ = 115004032.

The previous prime is 117215699. The next prime is 117215723. The reversal of 117215701 is 107512711.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28836900 + 88378801 = 5370^2 + 9401^2 .

It is a cyclic number.

It is not a de Polignac number, because 117215701 - 2¹ = 117215699 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 (117215771) 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, 1105756 + ... + 1105861.

It is an arithmetic number, because the mean of its divisors is an integer number (29856843).

Almost surely, 2^117215701 is an apocalyptic number.

It is an amenable number.

117215701 is a deficient number, since it is larger than the sum of its proper divisors (2211671).

117215701 is an equidigital number, since it uses as much as digits as its factorization.

117215701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211670.

The product of its (nonzero) digits is 490, while the sum is 25.

The square root of 117215701 is about 10826.6200173461. The cubic root of 117215701 is about 489.3977064625.

The spelling of 117215701 in words is "one hundred seventeen million, two hundred fifteen thousand, seven hundred one".