124232244021 has 32 divisors (see below), whose sum is σ = 194274432000. Its totient is φ = 78243795504.

The previous prime is 124232244013. The next prime is 124232244023. The reversal of 124232244021 is 120442232421.

It is a happy number.

124232244021 is a `hidden beast` number, since 1 + 2 + 4 + 232 + 24 + 402 + 1 = 666.

It is not a de Polignac number, because 124232244021 - 2³ = 124232244013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124232244023) 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, 153115 + ... + 521448.

It is an arithmetic number, because the mean of its divisors is an integer number (6071076000).

Almost surely, 2^124232244021 is an apocalyptic number.

It is an amenable number.

124232244021 is a deficient number, since it is larger than the sum of its proper divisors (70042187979).

124232244021 is a wasteful number, since it uses less digits than its factorization.

124232244021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674950 (or 674944 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 124232244021 its reverse (120442232421), we get a palindrome (244674476442).

The spelling of 124232244021 in words is "one hundred twenty-four billion, two hundred thirty-two million, two hundred forty-four thousand, twenty-one".