117254819 has 4 divisors (see below), whose sum is σ = 127914360. Its totient is φ = 106595280.

The previous prime is 117254783. The next prime is 117254869. The reversal of 117254819 is 918452711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 918452711 = 11 ⋅83495701.

It is a de Polignac number, because none of the positive numbers 2^k-117254819 is a prime.

It is a super-2 number, since 2×117254819² = 27497385157445522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117254869) 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, 5329754 + ... + 5329775.

It is an arithmetic number, because the mean of its divisors is an integer number (31978590).

Almost surely, 2^117254819 is an apocalyptic number.

117254819 is a deficient number, since it is larger than the sum of its proper divisors (10659541).

117254819 is a wasteful number, since it uses less digits than its factorization.

117254819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10659540.

The product of its digits is 20160, while the sum is 38.

The square root of 117254819 is about 10828.4264323123. The cubic root of 117254819 is about 489.4521420886.

The spelling of 117254819 in words is "one hundred seventeen million, two hundred fifty-four thousand, eight hundred nineteen".