247134 has 8 divisors (see below), whose sum is σ = 494280. Its totient is φ = 82376.

The previous prime is 247099. The next prime is 247141. The reversal of 247134 is 431742.

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

247134 is an admirable number.

It is a super-2 number, since 2×247134² = 122150427912, which contains 22 as substring.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 247134.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 247134.

It is an unprimeable number.

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, 20589 + ... + 20600.

It is an arithmetic number, because the mean of its divisors is an integer number (61785).

2²⁴⁷¹³⁴ is an apocalyptic number.

247134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247134 is a wasteful number, since it uses less digits than its factorization.

247134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41194.

The product of its digits is 672, while the sum is 21.

The square root of 247134 is about 497.1257386215. The cubic root of 247134 is about 62.7543977701.

Adding to 247134 its reverse (431742), we get a palindrome (678876).

The spelling of 247134 in words is "two hundred forty-seven thousand, one hundred thirty-four".