124021220241 has 32 divisors (see below), whose sum is σ = 173692892160. Its totient is φ = 78563669184.

The previous prime is 124021220233. The next prime is 124021220243. The reversal of 124021220241 is 142022120421.

It is not a de Polignac number, because 124021220241 - 2³ = 124021220233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (124021220243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13495050 + ... + 13504236.

It is an arithmetic number, because the mean of its divisors is an integer number (5427902880).

Almost surely, 2^124021220241 is an apocalyptic number.

It is an amenable number.

124021220241 is a deficient number, since it is larger than the sum of its proper divisors (49671671919).

124021220241 is a wasteful number, since it uses less digits than its factorization.

124021220241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10485.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 124021220241 its reverse (142022120421), we get a palindrome (266043340662).

The spelling of 124021220241 in words is "one hundred twenty-four billion, twenty-one million, two hundred twenty thousand, two hundred forty-one".