117454261 has 4 divisors (see below), whose sum is σ = 122560992. Its totient is φ = 112347532.

The previous prime is 117454247. The next prime is 117454291. The reversal of 117454261 is 162454711.

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: 162454711 = 73 ⋅2225407.

It is a cyclic number.

It is not a de Polignac number, because 117454261 - 2¹⁹ = 116929973 is a prime.

It is a super-2 number, since 2×117454261² = 27591006854112242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117454231) 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, 2553331 + ... + 2553376.

It is an arithmetic number, because the mean of its divisors is an integer number (30640248).

Almost surely, 2^117454261 is an apocalyptic number.

It is an amenable number.

117454261 is a deficient number, since it is larger than the sum of its proper divisors (5106731).

117454261 is an equidigital number, since it uses as much as digits as its factorization.

117454261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106730.

The product of its digits is 6720, while the sum is 31.

The square root of 117454261 is about 10837.6317062355. The cubic root of 117454261 is about 489.7294925081.

The spelling of 117454261 in words is "one hundred seventeen million, four hundred fifty-four thousand, two hundred sixty-one".