979129 has 4 divisors (see below), whose sum is σ = 981220. Its totient is φ = 977040.

The previous prime is 979117. The next prime is 979159. The reversal of 979129 is 921979.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 921979 = 347 ⋅2657.

It can be written as a sum of positive squares in 2 ways, for example, as 273529 + 705600 = 523^2 + 840^2 .

It is a cyclic number.

It is not a de Polignac number, because 979129 - 2⁷ = 979001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (979109) 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, 19 + ... + 1399.

It is an arithmetic number, because the mean of its divisors is an integer number (245305).

2⁹⁷⁹¹²⁹ is an apocalyptic number.

It is an amenable number.

979129 is a deficient number, since it is larger than the sum of its proper divisors (2091).

979129 is a wasteful number, since it uses less digits than its factorization.

979129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090.

The product of its digits is 10206, while the sum is 37.

The square root of 979129 is about 989.5094744367. The cubic root of 979129 is about 99.2994031025.

The spelling of 979129 in words is "nine hundred seventy-nine thousand, one hundred twenty-nine".