102979 has 8 divisors (see below), whose sum is σ = 110160. Its totient is φ = 96096.

The previous prime is 102967. The next prime is 102983. The reversal of 102979 is 979201.

102979 = 45² + 46² + ... + 73².

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

It is a cyclic number.

It is not a de Polignac number, because 102979 - 2¹¹ = 100931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1504 + ... + 1570.

It is an arithmetic number, because the mean of its divisors is an integer number (13770).

2¹⁰²⁹⁷⁹ is an apocalyptic number.

102979 is a deficient number, since it is larger than the sum of its proper divisors (7181).

102979 is an equidigital number, since it uses as much as digits as its factorization.

102979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 102979 is about 320.9034122598. The cubic root of 102979 is about 46.8722955477.

It can be divided in two parts, 102 and 979, that added together give a triangular number (1081 = T₄₆).

The spelling of 102979 in words is "one hundred two thousand, nine hundred seventy-nine".