980216121 has 8 divisors (see below), whose sum is σ = 1323498880. Its totient is φ = 645205392.

The previous prime is 980216119. The next prime is 980216129. The reversal of 980216121 is 121612089.

It is a happy number.

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

It is not a de Polignac number, because 980216121 - 2¹ = 980216119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (980216129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2067730 + ... + 2068203.

It is an arithmetic number, because the mean of its divisors is an integer number (165437360).

Almost surely, 2^980216121 is an apocalyptic number.

It is an amenable number.

980216121 is a deficient number, since it is larger than the sum of its proper divisors (343282759).

980216121 is a wasteful number, since it uses less digits than its factorization.

980216121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136015.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 980216121 is about 31308.4033607592. The cubic root of 980216121 is about 993.3614001824.

The spelling of 980216121 in words is "nine hundred eighty million, two hundred sixteen thousand, one hundred twenty-one".