124231141132421 has 4 divisors (see below), whose sum is σ = 124246652582700. Its totient is φ = 124215629682144.

The previous prime is 124231141132381. The next prime is 124231141132451.

124231141132421 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68743748704225 + 55487392428196 = 8291185^2 + 7448986^2 .

It is a cyclic number.

It is not a de Polignac number, because 124231141132421 - 2¹⁴ = 124231141116037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124231141132451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7755713126 + ... + 7755729143.

It is an arithmetic number, because the mean of its divisors is an integer number (31061663145675).

Almost surely, 2^{124231141132421} is an apocalyptic number.

It is an amenable number.

124231141132421 is a deficient number, since it is larger than the sum of its proper divisors (15511450279).

124231141132421 is an equidigital number, since it uses as much as digits as its factorization.

124231141132421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15511450278.

The product of its digits is 9216, while the sum is 32.

The spelling of 124231141132421 in words is "one hundred twenty-four trillion, two hundred thirty-one billion, one hundred forty-one million, one hundred thirty-two thousand, four hundred twenty-one".