116421 has 8 divisors (see below), whose sum is σ = 156864. Its totient is φ = 76800.

The previous prime is 116411. The next prime is 116423. The reversal of 116421 is 124611.

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

It is not a de Polignac number, because 116421 - 2⁷ = 116293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325 + ... + 581.

It is an arithmetic number, because the mean of its divisors is an integer number (19608).

2¹¹⁶⁴²¹ is an apocalyptic number.

It is an amenable number.

116421 is a deficient number, since it is larger than the sum of its proper divisors (40443).

116421 is a wasteful number, since it uses less digits than its factorization.

116421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411.

The product of its digits is 48, while the sum is 15.

The square root of 116421 is about 341.2052168417. The cubic root of 116421 is about 48.8289188532.

The spelling of 116421 in words is "one hundred sixteen thousand, four hundred twenty-one".