124084209 has 4 divisors (see below), whose sum is σ = 165445616. Its totient is φ = 82722804.

The previous prime is 124084171. The next prime is 124084249. The reversal of 124084209 is 902480421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 124084209 - 2¹² = 124080113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124084249) 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, 20680699 + ... + 20680704.

It is an arithmetic number, because the mean of its divisors is an integer number (41361404).

Almost surely, 2^124084209 is an apocalyptic number.

It is an amenable number.

124084209 is a deficient number, since it is larger than the sum of its proper divisors (41361407).

124084209 is an equidigital number, since it uses as much as digits as its factorization.

124084209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41361406.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 124084209 is about 11139.3091796574. The cubic root of 124084209 is about 498.7759511877.

The spelling of 124084209 in words is "one hundred twenty-four million, eighty-four thousand, two hundred nine".