124342041021 has 16 divisors (see below), whose sum is σ = 181438996800. Its totient is φ = 75118043520.

The previous prime is 124342041007. The next prime is 124342041049. The reversal of 124342041021 is 120140243421.

It is not a de Polignac number, because 124342041021 - 2⁵ = 124342040989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124342040982 and 124342041000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124342041821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6008746 + ... + 6029403.

It is an arithmetic number, because the mean of its divisors is an integer number (11339937300).

Almost surely, 2^124342041021 is an apocalyptic number.

124342041021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124342041021 is a deficient number, since it is larger than the sum of its proper divisors (57096955779).

124342041021 is a wasteful number, since it uses less digits than its factorization.

124342041021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12038476.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 124342041021 its reverse (120140243421), we get a palindrome (244482284442).

The spelling of 124342041021 in words is "one hundred twenty-four billion, three hundred forty-two million, forty-one thousand, twenty-one".