124221206 has 16 divisors (see below), whose sum is σ = 195264000. Its totient is φ = 59156328.

The previous prime is 124221199. The next prime is 124221211. The reversal of 124221206 is 602122421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5345 + ... + 16643.

It is an arithmetic number, because the mean of its divisors is an integer number (12204000).

Almost surely, 2^124221206 is an apocalyptic number.

124221206 is a deficient number, since it is larger than the sum of its proper divisors (71042794).

124221206 is a wasteful number, since it uses less digits than its factorization.

124221206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11563.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 124221206 is about 11145.4567425476. The cubic root of 124221206 is about 498.9594439886.

Adding to 124221206 its reverse (602122421), we get a palindrome (726343627).

The spelling of 124221206 in words is "one hundred twenty-four million, two hundred twenty-one thousand, two hundred six".