100479 has 4 divisors (see below), whose sum is σ = 133976. Its totient is φ = 66984.

The previous prime is 100469. The next prime is 100483. The reversal of 100479 is 974001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 100479 - 2⁵ = 100447 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100459) 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, 16744 + ... + 16749.

It is an arithmetic number, because the mean of its divisors is an integer number (33494).

2¹⁰⁰⁴⁷⁹ is an apocalyptic number.

100479 is a deficient number, since it is larger than the sum of its proper divisors (33497).

100479 is an equidigital number, since it uses as much as digits as its factorization.

100479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33496.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 100479 is about 316.9842267369. The cubic root of 100479 is about 46.4898810216.

The spelling of 100479 in words is "one hundred thousand, four hundred seventy-nine".