117701257 has 4 divisors (see below), whose sum is σ = 123896080. Its totient is φ = 111506436.

The previous prime is 117701239. The next prime is 117701263. The reversal of 117701257 is 752107711.

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 117701257 - 2¹¹ = 117699209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117701657) 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, 3097383 + ... + 3097420.

It is an arithmetic number, because the mean of its divisors is an integer number (30974020).

Almost surely, 2^117701257 is an apocalyptic number.

It is an amenable number.

117701257 is a deficient number, since it is larger than the sum of its proper divisors (6194823).

117701257 is an equidigital number, since it uses as much as digits as its factorization.

117701257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6194822.

The product of its (nonzero) digits is 3430, while the sum is 31.

The square root of 117701257 is about 10849.0210157415. The cubic root of 117701257 is about 490.0725381991.

Adding to 117701257 its reverse (752107711), we get a palindrome (869808968).

The spelling of 117701257 in words is "one hundred seventeen million, seven hundred one thousand, two hundred fifty-seven".