124212147 has 8 divisors (see below), whose sum is σ = 166713600. Its totient is φ = 82259400.

The previous prime is 124212107. The next prime is 124212161. The reversal of 124212147 is 741212421.

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

It is not a de Polignac number, because 124212147 - 2¹⁵ = 124179379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124212107) by changing a digit.

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, 136647 + ... + 137552.

It is an arithmetic number, because the mean of its divisors is an integer number (20839200).

Almost surely, 2^124212147 is an apocalyptic number.

124212147 is a deficient number, since it is larger than the sum of its proper divisors (42501453).

124212147 is a wasteful number, since it uses less digits than its factorization.

124212147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274353.

The product of its digits is 896, while the sum is 24.

The square root of 124212147 is about 11145.0503363601. The cubic root of 124212147 is about 498.9473145956.

Adding to 124212147 its reverse (741212421), we get a palindrome (865424568).

The spelling of 124212147 in words is "one hundred twenty-four million, two hundred twelve thousand, one hundred forty-seven".