124021300221 has 48 divisors (see below), whose sum is σ = 226441348224. Its totient is φ = 63649763712.

The previous prime is 124021300213. The next prime is 124021300223. The reversal of 124021300221 is 122003120421.

It is a happy number.

124021300221 is a `hidden beast` number, since 12 + 402 + 1 + 30 + 0 + 221 = 666.

It is not a de Polignac number, because 124021300221 - 2³ = 124021300213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124021300194 and 124021300203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124021300223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2016051 + ... + 2076656.

It is an arithmetic number, because the mean of its divisors is an integer number (4717528088).

Almost surely, 2^124021300221 is an apocalyptic number.

It is an amenable number.

124021300221 is a deficient number, since it is larger than the sum of its proper divisors (102420048003).

124021300221 is a wasteful number, since it uses less digits than its factorization.

124021300221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4092770 (or 4092767 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 124021300221 its reverse (122003120421), we get a palindrome (246024420642).

The spelling of 124021300221 in words is "one hundred twenty-four billion, twenty-one million, three hundred thousand, two hundred twenty-one".