117461 has 4 divisors (see below), whose sum is σ = 122592. Its totient is φ = 112332.

The previous prime is 117443. The next prime is 117497. The reversal of 117461 is 164711.

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, and also an emirpimes, since its reverse is a distinct semiprime: 164711 = 19 ⋅8669.

It is not a de Polignac number, because 117461 - 2¹⁰ = 116437 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117431) 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, 2531 + ... + 2576.

It is an arithmetic number, because the mean of its divisors is an integer number (30648).

2¹¹⁷⁴⁶¹ is an apocalyptic number.

It is an amenable number.

117461 is a deficient number, since it is larger than the sum of its proper divisors (5131).

117461 is an equidigital number, since it uses as much as digits as its factorization.

117461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5130.

The product of its digits is 168, while the sum is 20.

The square root of 117461 is about 342.7258379521. The cubic root of 117461 is about 48.9738858491.

The spelling of 117461 in words is "one hundred seventeen thousand, four hundred sixty-one".