979109 has 2 divisors, whose sum is σ = 979110. Its totient is φ = 979108.

The previous prime is 979103. The next prime is 979117. The reversal of 979109 is 901979.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 801025 + 178084 = 895^2 + 422^2 .

It is a cyclic number.

It is not a de Polignac number, because 979109 - 2⁴ = 979093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979103) 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 as a sum of consecutive naturals, namely, 489554 + 489555.

It is an arithmetic number, because the mean of its divisors is an integer number (489555).

2⁹⁷⁹¹⁰⁹ is an apocalyptic number.

It is an amenable number.

979109 is a deficient number, since it is larger than the sum of its proper divisors (1).

979109 is an equidigital number, since it uses as much as digits as its factorization.

979109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 35.

The square root of 979109 is about 989.4993683677. The cubic root of 979109 is about 99.2987269908.

The spelling of 979109 in words is "nine hundred seventy-nine thousand, one hundred nine".