117745261 has 8 divisors (see below), whose sum is σ = 125102880. Its totient is φ = 110503728.

The previous prime is 117745241. The next prime is 117745267. The reversal of 117745261 is 162547711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117745261 - 2⁹ = 117744749 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 (117745267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26926 + ... + 30991.

It is an arithmetic number, because the mean of its divisors is an integer number (15637860).

Almost surely, 2^117745261 is an apocalyptic number.

It is an amenable number.

117745261 is a deficient number, since it is larger than the sum of its proper divisors (7357619).

117745261 is a wasteful number, since it uses less digits than its factorization.

117745261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58043.

The product of its digits is 11760, while the sum is 34.

The square root of 117745261 is about 10851.0488433146. The cubic root of 117745261 is about 490.1336037182.

The spelling of 117745261 in words is "one hundred seventeen million, seven hundred forty-five thousand, two hundred sixty-one".