124066209 has 16 divisors (see below), whose sum is σ = 173377152. Its totient is φ = 78764928.

The previous prime is 124066199. The next prime is 124066211. The reversal of 124066209 is 902660421.

It is not a de Polignac number, because 124066209 - 2⁴ = 124066193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124066249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12219 + ... + 19935.

It is an arithmetic number, because the mean of its divisors is an integer number (10836072).

Almost surely, 2^124066209 is an apocalyptic number.

It is an amenable number.

124066209 is a deficient number, since it is larger than the sum of its proper divisors (49310943).

124066209 is a wasteful number, since it uses less digits than its factorization.

124066209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7976.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 124066209 is about 11138.5012007900. The cubic root of 124066209 is about 498.7518320798.

The spelling of 124066209 in words is "one hundred twenty-four million, sixty-six thousand, two hundred nine".