117479 has 4 divisors (see below), whose sum is σ = 121560. Its totient is φ = 113400.

The previous prime is 117443. The next prime is 117497. The reversal of 117479 is 974711.

117479 = T₂ + T₃ + ... + T₈₈.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117479 - 2⁸ = 117223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 4051 = 117479 / (1 + 1 + 7 + 4 + 7 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1997 + ... + 2054.

It is an arithmetic number, because the mean of its divisors is an integer number (30390).

2¹¹⁷⁴⁷⁹ is an apocalyptic number.

117479 is a deficient number, since it is larger than the sum of its proper divisors (4081).

117479 is an equidigital number, since it uses as much as digits as its factorization.

117479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080.

The product of its digits is 1764, while the sum is 29.

The square root of 117479 is about 342.7520970031. The cubic root of 117479 is about 48.9763873459.

The spelling of 117479 in words is "one hundred seventeen thousand, four hundred seventy-nine".