979121 has 16 divisors (see below), whose sum is σ = 1185408. Its totient is φ = 796800.

The previous prime is 979117. The next prime is 979159. The reversal of 979121 is 121979.

979121 = T₃₈ + T₃₉ + ... + T₁₈₀.

It is a cyclic number.

It is not a de Polignac number, because 979121 - 2² = 979117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (979171) 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 15 ways as a sum of consecutive naturals, for example, 5780 + ... + 5946.

It is an arithmetic number, because the mean of its divisors is an integer number (74088).

2⁹⁷⁹¹²¹ is an apocalyptic number.

It is an amenable number.

979121 is a deficient number, since it is larger than the sum of its proper divisors (206287).

979121 is a wasteful number, since it uses less digits than its factorization.

979121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232.

The product of its digits is 1134, while the sum is 29.

The square root of 979121 is about 989.5054320215. The cubic root of 979121 is about 99.2991326589.

The spelling of 979121 in words is "nine hundred seventy-nine thousand, one hundred twenty-one".