116280421 has 4 divisors (see below), whose sum is σ = 116733132. Its totient is φ = 115827712.

The previous prime is 116280413. The next prime is 116280449. The reversal of 116280421 is 124082611.

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

It can be written as a sum of positive squares in 2 ways, for example, as 64224196 + 52056225 = 8014^2 + 7215^2 .

It is a cyclic number.

It is not a de Polignac number, because 116280421 - 2³ = 116280413 is a prime.

It is a super-2 number, since 2×116280421² = 27042272615874482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116280481) 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, 225970 + ... + 226483.

It is an arithmetic number, because the mean of its divisors is an integer number (29183283).

Almost surely, 2^116280421 is an apocalyptic number.

It is an amenable number.

116280421 is a deficient number, since it is larger than the sum of its proper divisors (452711).

116280421 is an equidigital number, since it uses as much as digits as its factorization.

116280421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452710.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 116280421 is about 10783.3399742380. The cubic root of 116280421 is about 488.0925720759.

The spelling of 116280421 in words is "one hundred sixteen million, two hundred eighty thousand, four hundred twenty-one".