124146221065 has 16 divisors (see below), whose sum is σ = 157637329920. Its totient is φ = 93597137280.

The previous prime is 124146221041. The next prime is 124146221093. The reversal of 124146221065 is 560122641421.

It is not a de Polignac number, because 124146221065 - 2⁵ = 124146221033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124146221065.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3402804 + ... + 3439093.

It is an arithmetic number, because the mean of its divisors is an integer number (9852333120).

Almost surely, 2^124146221065 is an apocalyptic number.

It is an amenable number.

124146221065 is a deficient number, since it is larger than the sum of its proper divisors (33491108855).

124146221065 is a wasteful number, since it uses less digits than its factorization.

124146221065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6842112.

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 124146221065 its reverse (560122641421), we get a palindrome (684268862486).

The spelling of 124146221065 in words is "one hundred twenty-four billion, one hundred forty-six million, two hundred twenty-one thousand, sixty-five".